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Class Number: 534 Class Title: ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES Subclass Subclass Number Title * ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) 7 .Noble gas containing (i.e., He, Ne, Ar, Kr, Xe, or Rn containing) 10 .RADIOACTIVE METAL CONTAINING (At. No. 43, 61 or 84+; or radioactive isotope of another metal) 11 ..Actinide series metal (At. No. 89+) 12 ...Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl containing, etc.) 13 ....The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens 14 ..Technetium containing (At. No. 43; Tc) 15 .RARE EARTH METAL CONTAINING (At. No. 21, 39, 57-60 or 62-71) 16 ..Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens 550 .Diazoamino (e.g., triazenes, etc.) 551 ..Hetero ring containing 552 ..Chalcogen or additional nitrogen bonded directly to the diazoamino group 553 ..Noncarbon atom double or triple bonded and the diazoamino group bonded directly to the same acyclic carbon 554 ..Plural benzene rings bonded directly to the diazoamino group 555 ..Processes 556 .Diazooxide or diazotate (e.g., -N=N-0-, etc.) 557 ..Sulfur attached directly to a ring by nonionic bonding 558 .Diazo or diazonium (e.g., -N=N-C, etc.) 559 ..With preservative or stabilizer 560 ..Hetero ring containing 561 ..Plural diazo or diazonium groups 562 ..Heavy metal or aluminum containing 563 ..Polycyclo ring system having at least three cyclos 564 ..Aldehyde or ketone group containing 565 ..Formation of diazonium group 566 .Azoxy 567 ..Hetero ring containing 568 ..Azodioxy 569 ..Heavy metal or aluminum containing 570 ..Sulfonic acid group containing (-(0=)S(=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) 571 ...Stilbene containing 572 ..Formation of azoxy group 573 .Azo 574 ..Quaternary azo group containing 575 ..Specified crystalline form 576 ..With preservative or stabilizer 577 ..Liquid crystal (e.g., pleochroic, etc.) 578 ..Formation of azo group by oxidative coupling 579 ..Formation of azo group by simultaneous diazotization and coupling 580 ..Formation of azo group from diazoamino group 581 ..Formation of azo group by coupling diazonium compound with coupling component in presence of an additional organicc compound 582 ..Formation of azo group by coupling diazonium compound with coupling component at a specified pH range 583 ..Formation of azo group by coupling diazonium compound with coupling component in presence of ammonia, a Group IIA light metal hydroxide or a Group IA or IIA light metal phosphate 584 ..Formation of azo group by coupling diazonium compound with coupling component in other than stoichiometric proportions 585 ..Formation of azo group by reduction of nitro group 586 ..Formation of azo group from group having nitrogen single bonded to nitrogen 587 ..Formation of azo group directly from nitrogen containing compound by process other than diazotization and coupling 588 ..Process utilizing azo compound as reactant 589 ...Formation of quaternary ammonium or hydrazinium group 590 ...Ring formation 591 ...Formation of -C(=X)HNH group, wherein X is chalcogen (substitution may be made for hydrogen only) 592 ...Formation of sulfonamide group 593 ...Additional reactant containing phosphorus or sulfur 594 ....Sulfonic acid group formed or added to the azo reactant (-(0=)S(=0)-OH, wherein H of -0H may be replaced by a substituted or unsubstituted ammonium ion or metal) 595 ...Formation of -C(=X)X- ester group, wherein the X's may be the same or diverse chalcogens 596 ...Etherification of hydroxy group 597 ...Replacement of halogen by cyano group 598 ...Replacement of halogen by amino nitrogen 599 ...Hydrolysis 600 ...Reduction of nitro or nitrogen oxide group 601 ...Nitration 602 ...Metallization of the azo reactant in presence of an additional organic compound 603 ..Quaternary ammonium or hydrazinium attached indirectly to an azo group by nonionic bonding 604 ...Hetero ring containing 605 ....The pentavalent nitrogen is a ring member 606 .....Azo bonded directly to a hetero ring or to a polycyclo ring system having a hetero ring as one of the cyclos 607 ......The hetero ring contains the pentavalent nitrogen 608 .......Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 609 .......Acyclic carbon bonded directly to the azo group 610 .......Additional hetero ring or polycyclo ring system having a hetero ring as one of the cyclos bonded directly to the azo group 611 .......The hetero ring is one of the cyclos in a polycyclo ring system 612 .....Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding 613 ...Heavy metal or aluminum containing 614 ...Plural azo groups attached indirectly to each other by nonionic bonding 615 ...Plural nitrogens bonded directly to the same alkylene chain (e.g., diamino alkylene, etc.) 616 ..Nitrogen oxide, other than as nitro or nitroso, containing 617 ..Fiber- or substrate-reactive azo compound 618 ...Formazan containing (i.e., HNH-N=CH-N=NH, whereinn substitution may be made for hydrogen only) 619 ...Heavy metal or aluminum containing 620 ....Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding 621 .....Stilbene containing 622 .....The hetero ring is six-membered and contains at least two nitrogens 623 ......Diverse azo moieties bonded to the same metal 624 ......At least two such hetero rings attached indirectly to each other by nonionic bonding 625 ......Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 626 ......Chalcogen or carbon bonded directly to the six-membered hetero ring and is between the hetero ring and the azo group 627 ......Plural halogens attached directly to the hetero ring by nonionic bonding 628 ......Diverse hetero ring containing 629 ....Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamide, which sulfonyl or sulfonamide is between a ring and the alkylene, alkenyl or alkenylene 630 ...Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding 631 ....Stilbene containing 632 ....The hetero ring is six-membered and contains at least two nitrogens 633 .....Polycyclo ring system having the hetero ring as one of the cyclos 634 .....At least two such hetero rings attached indirectly to each other by nonionic bonding 635 .....Additional hetero ring containing 636 ......Pyrazole containing (including hydrogenated) 637 .....Plural azo groups attached indirectly to each other by nonionic bonding 638 .....The hetero ring and benzene ring, to which an azo group is bonded directly, bonded directly to the same nitrogen 639 ...Aziridine containing (including unsaturated) 640 ...Alkylene, alkenyl, alkenylene, alkynyl or alkynylene attached directly or indirectlyto a ring by nonionic bonding 641 ....Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamido, which sulfonyl or sulfonamido is between a ring and the alkylene, alkenyl or alkenylene 642 .....The alkylene, alkenyl or alkenylene and the ring are both bonded directly to the same sulfonyl group 643 ....Alkylene, alkenyl or alkenylene bonded directly to carboxamido, urea or -C(=X)-, wherein X is chalcogen, which group is between a ring and the alkylene, alkenyl or alkenylene 644 ....Alkylene, alkenyl or alkenylene and a ring bonded directly to the same chalcogen or to plural chalcogens which are bonded directly to each other 645 ..Plural sulfonyl groups bonded directly to same amino nitrogen (e.g., sulfonylaminosulfonyl, etc.) 646 ..Sulfonyl and carbonyl bonded directly to the same amino nitrogen (e.g., sulfonylaminocarbonyl, etc.) 647 ..Plural amino nitrogens bonded directly to the same sulfonyl (e.g., aminosulfonylamino, etc.) 648 ..Alkyl, having at least eight carbons specified, or plurall alkyl chains, each having at least five carbons specified, bonded directly to a ring, which ring is attached directly or indirectly to an acyclic carbon chain, which chain is bonded directly to a urea or carboxamide nitrogen that is between the chain and an additional ring 649 ..Alkyl chain having at least eight carbons specified bonded directly to a ring 650 ..Sulfonyl or -C(=X)-, wherein X is chalcogen, between a ring and an alkyl chain having at least eight carbons specified 651 ...The sulfonyl or -C(=X)- is bonded directly to the ring 652 ..Formazan containing (i.e., HNH-N=CH-N=NH, wherein substitution may be made for hydrogen only) 653 ..Polycyclo carbocyclic ring system having at least three cyclos 654 ...The polycyclo ring system consists of three six-membered cyclos and has plural oxygens bonded directly thereto 655 ....Hetero ring containing 656 ....At least two such ring systems having plural oxygens bonded directly thereto 657 ...The polycyclo ring system has no azo group bonded directly thereto 658 ...Chalcogen double bonded directly to the polycyclo ring system 659 ..Bicyclo carbocyclic ring system consisting of a six-membered ring and a five-membered ring (e.g., indane, etc. 660 ..Hydroxy and carbonyl of -C00- bonded directly to a monocyclic benzene ring (H or hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a metal) 661 ...Heavy metal or aluminum containing 662 ....Hetero ring containing 663 ....Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 664 ...Hetero ring containing 665 ....Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos 666 ...At least three azo groups attached indirectly to each other by nonionic bonding 667 ....Plural monocyclic benzene rings, each having hydroxy and carbonyl of -COO- bonded directly thereto 668 ....Additional monocyclic benzene ring having plural hydroxy groups, hydroxy and nitrogen, or plural nitrogens bonded directly thereto, wherein the nitrogen is other than as nitro, nitroso or azo 669 ....Additional -C(=X)-, wherein X is chalcogen 670 ...Two azo groups attached indirectly to each other by nonionic bonding 671 ....Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) 672 .....Plural monocyclic benzene rings, each having hydroxy and carbonyl of -COO- bonded directly thereto 673 .....Additional -C(=X)-, wherein X is chalcogen 674 ...Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) 675 ....Azo attached indirectly to the monocyclic benzene ring by nonionic bondingg 676 ..Plural -HNH groups or -OH and -HNH bonded directly to a monocyclic benzene ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) 677 ...Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 678 ....Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) 679 .....Plural monocyclic benzene rings, each having -OH and -HNH or plural -HNH groups bonded directly thereto 680 .....Exactly three azo groups attached indirectly to each other by nonionic bonding 681 ...Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) 682 ..Plural hydroxy groups or esters thereof bonded directly to a monocyclic benzene ring (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or metal) 683 ...Azo bonded directly to the benzene ring 684 ....Heavy metal or aluminum containing 685 ....At least three azo groups attached indirectly to each other by nonionic bonding 686 .....Hetero ring containing 687 .....Plural monocyclic benzene rings, each having plural hydroxy groups or esters thereof bonded directly thereto 688 ....Two azo groups attached indirectly to each other by nonionic bonding 689 ..Stilbene containing 690 ...Heavy metal or aluminum containing 691 ...Hetero ring containing 692 ..Heavy metal or aluminum containing 693 ...Amine salt 694 ...Arsenic containing 695 ...Azo moiety and moiety which contains acyclic -CH=N- group bonded to the same metal 696 ...Diverse azo moieties bonded to the same metal 697 ....Hetero ring containing 698 .....Hetero ring in each azo moiety 699 ....Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 700 ...Azo bonded directly to an acyclic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom 701 ...Hetero ring containing 702 ....Polycyclo ring system containing the hetero ring as one of the cyclos 703 .....Azo bonded directly to the polycyclo ring system 704 ......The azo group is attached indirectly in the same azo moiety to an additional azo group or to an acyclic chain which contains a -CH=N- group by nonionic bonding 705 ......Plural ring nitrogens in the polycyclo ring system 706 ......Quinoline or isoquinoline containing (including hydrogenated) 707 ....Azo bonded directly to the hetero ring 708 .....At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 709 .....Two azo groups in the same azo moiety attached indirectly to each other by nonionic bondingg 710 .....Pyrazole (including hydrogenated) 711 ......Sulfonyl bonded directly to a ring 712 .......Additional chalcogen bonded directly to the sulfonyl 713 ...Benzene ring containing 714 ....At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 715 .....Plural monocyclic benzene rings attached directly to each other by nonionic bonding and are between azo groups 716 ....Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding 717 .....Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) 718 ......Plural monocyclic benzene rings attached directly or indirectly to each other by acyclic nonionic bonding and are between the azo groups 719 .....Plural monocyclic benzene rings attached directly or indirectly to each other by acyclic nonionic bonding and are between the azo groups 720 ....Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) 721 .....Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.) 722 ....Plural bicyclo carbocyclic ring systems bonded directly to the azo group 723 ....Sulfonyl bonded directly to amino nitrogen (e.g., sulfonamide, etc.) 724 ....Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by the ammonium ion or a metal) 725 .....Amino nitrogen containing 726 ..Boron or silicon containing 727 ..Phosphorus attached indirectly to an azo group by nonionic bonding 728 ..Amine salt 729 ..Chain containing at least fifteen alkylene oxide groups 730 ..Sulfonic acid ester group containing 731 ...Hetero ring containing 732 ..Nitrogen, other than as azo, and chalcogen or -C(=X)X- bonded directly to a -C(=X)- group, wherein the X's may be the same or diverse chalcogens (e.g., carbamic, allophanic, etc.) 733 ...Hetero ring cntaining 734 ..Halogen bonded directly to sulfur or to a -C(=X)- group, wherein X is chalcogen 735 ..Containing acyclic -XCN or -NCX, wherein X is chalcogen (e.g., thiocyanato, isocyanato, etc.) 736 ..Thiosulfuric acid group containing (-S-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or Group IA or IIA light metal) 737 ..Cyano and carbon bonded directly to acyclic nitrogen 738 ..Acyclic chain which contains -CH=N- (substitution may be made for hydrogen only) 739 ..Azo bonded directly to an acylic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom 740 ...Hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group 741 ...Hetero ring attached indirectly to an azo group by nonionic bonding 742 ....The acyclic carbon, to which the other two acyclic carbonss are bonded, is between the hetero ring and the azo group 743 ...At least three azo groups attached indirectly to each other by nonionic bonding 744 ...Two azo groups attached indirectly to each other by nonionic bonding 745 ....Each azo group is bonded directly to an acyclic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom 746 .....Plural benzene rings bonded directly to each other and are between the azo groups 747 ......Each benzene ring is bonded directly to an azo group 748 .....Plural amino nitrogens bonded directly to a benzene ring which is between the azo groups 749 ...Sulfonyl bonded directly to nitrogen 750 ...Having -C(=X)-, wherein X is chalcogen, attached indirectly by nonionic bonding to the acyclic carbon to which the other two acyclic carbons are bonded 751 ..Hetero ring containing 752 ...Polycyclo ring system having a hetero atom shared by at least two rings or at least two hetero atoms which are not members of the same ring 753 ...Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos 754 ....At least three azo groups attached indirectly to each other by nonionic bonding 755 .....Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group 756 ....Two azo groups attached indirectly to each other by nonionic bonding 757 .....Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group 758 ......Both hetero rings or polycyclo ring systems are between the azo groups 759 ......Plural monocyclic benzene rings, each bonded directly to an azo group, are between the azo groups 760 .......The benzene rings are bonded directly to each other 761 .....Both azo groups are bonded directly to the hetero ring or to the polycyclo ring system 762 .....Polycyclo ring system having at least three cyclos, at least one of which is a hetero ring 763 .....Bicyclo carbocyclic ring system 764 .....Additional ring bonded directly to the hetero ring or to the polycyclo ring system 765 ....Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to the azo group 766 .....The hetero ring is six-membered and contains nitrogen (e.g., pyridine, etc.) 767 ......The hetero ring contains at least two nitrogens (e.g., pyrimidine, etc.) 768 ......The hetero ring is in a bicyclo ring system (e.g., quinoline, benzomorpholine, etc.) 769 .....Pyrazole (including hydrogenated) 770 ....The hetero ring is six-membered and consists of one nitrogen and five carbons (e.g., pyridine, etc.) 771 .....Acyclic oxygen bonded directly to the hetero ringg 772 ......Plural acyclic chalcogens bonded directly to the hetero ring at the two positions adjacent to the ring nitrogen 773 .....Plural acyclic nitrogens, other than as nitro, nitroso or azo, bonded directly to the hetero ring at the two positions adjacent to the ring nitrogen 774 ....Additional hetero ring attached indirectly to the azo group by nonionic bonding 775 .....The additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos is bonded directly to a ring, which ring is between the azo group and the additional hetero ring 776 .....A ring and the additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos are bonded directly to the same nitrogen 777 .....The additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos is bonded directly to an alkylene chain, which chain is between the azo group and the additional hetero ring 778 ....Bicyclo carbocyclic ring system bonded directly to the azo group 779 .....The bicyclo carbocyclic ring system is between the azo group and an additional carbocyclic ring 780 .....Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or Group IA or IIA light metal) 781 ....Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal) 782 .....The hetero ring is one of the cyclos in a polycyclo ring system 783 .....Additional sulfonyl containing 784 ......Plural sulfonic acid groups 785 .....Containing acyclic -C(=X)-, wherein X is chalcogen 786 ......The -C(=X)- is bonded directly to nitrogen 787 ....The hetero ring is one of the cyclos in a polycyclo ring system 788 .....The hetero ring consists of sulfur, nitrogen and carbon (e.g., benzothiazole, etc.) 789 .....Chalcogen double bonded directly to the hetero ring 790 .....The hetero ring is five-membered and consists of one nitrogen and four carbons (e.g., indole, etc.) 791 ....Carbocyclic ring bonded directly to the hetero ring or to the polycyclo ring system which contains the hetero ring 792 .....Pyrazole containing (including hydrogenated) 793 ......Sulfonyl containing 794 ....Carbocyclic ring attached indirectly to the azo group by nonionic bonding 795 ....The hetero ring is five-membered and contains at least one atom each of sulfur, nitrogen and carbon 796 ...At least three azo groups attached indirectly to each other by nonionic bonding 797 ...Two azo groups attached indirectly to each other by nonionic bonding 798 ...Plural carbocyclic rings bonded directly to the azo group 799 ....The hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos is bonded directly to one of the carbocyclic rings or to a bicyclo ring system which contains the carbocyclic ring as one of the cylcoss 800 .....The hetero ring is one of the cyclos in a polycyclo ring system 801 ....The carbocyclic ring or a bicyclo ring system which contains the carbocyclic ring as one of the cyclos and the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos are bonded directly to the same carboxamide group 802 ....The carbocyclic ring or a bicyclo ring system which contains the carbocyclic ring as one of the cyclos and the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos are bonded directly to the same nitrogen atom 803 .....The hetero ring is six-membered and contains at least two nitrogens 804 ....The hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos is bonded directly to an alkylene chain, which chain is between the hetero ring and the carbocyclic ring 805 ..Exactly five or exactly six azo groups attached indirectly to each other by nonionic bonding 806 ..Exactly four azo groups attached indirectly to each other by nonionic bonding 807 ...Plural nitrogens bonded directly to the same -C(=X)- group, wherein X is chalcogen (e.g., urea, thiourea, etc.) 808 ...Benzidine containing 809 ..Exactly three azo groups attached indirectly to each other by nonionic bonding 810 ...Containing -C(=X)-, wherein X, is chalcogen or nitrogen (e.g., carbonyl, etc.) 811 ....Nitrogen single bonded directly to the -C(=X)- group (e.g., carboxamide, guanyl, etc.) 812 .....Plural -C(=X)- groups containing 813 ...Benzidine containing 814 ....Hydroxy and nitrogen, other than as nitro, nitroso or azo, bonded directly to the same bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal) 815 ...Hydroxy bonded directly to a bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal) 816 ..Exactly two azo groups attached indirectly to each other by nonionic bonding 817 ...Plural benzene rings bonded directly to the same urea or thiourea group and are between the azo groups 818 ....Bicyclo ring system containing 819 ...Plural benzene rings bonded directly to the same carboxamide or sulfonamide group and are between the azo groups 820 ....Plural carboxamide groups between the azo groups 821 ...Plural benzene rings bonded directly to the same chalcogen or -C(=X)- group, wherein X is chalcogen, and are between the azo groups 822 ...Plural benzene rings bonded directly to each other and are between the azo groups 823 ....Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) 824 ....Nitrogen, other than as nitro, nitroso or azo, attached indirectly to azo by nonionic bonding 825 .....Plural nitrogens, other than as nitro, nitroso or azo,, attached indirectly to azo by nonionic bonding 826 ......Plural sulfonic acid groups bonded directly to the same bicyclo ring system (-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal) 827 ...Hydroxy bonded directly to a bicyclo ring system which is between the azo groups (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) 828 ....Plural bicyclo ring systems, each having hydroxy bonded directly thereto 829 ...Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) 830 ....Hydroxy and the -C(=X)- are bonded directly to the same bicyclo ring system (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) 831 ...Plural benzene rings bonded directly to each azo group 832 ....At least one of the benzene rings is part of a bicyclo ring system 833 .....Each of the benzene rings is part of a bicyclo ring system 834 .....Hydroxy bonded directly to the bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal) 835 ......Plural bicyclo ring systems, each having hydroxy bonded directly thereto 836 ......Additional hydroxy or nitrogen, other than as nitro, nitroso or azo, bonded directly to the bicyclo ring system 837 ......Sulfonic acid group bonded directly to the bicyclo ring system (-(0=)S(=0) OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal) 838 ..Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding 839 ...Plural benzene rings bonded directly to the azo group 840 ....Each of the benzene rings is part of a bicyclo ring system 841 .....Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) 842 .....Hydroxy bonded directly at the 2-position of the bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal) 843 ....Each of the benzene rings is monocyclic 844 .....Sulfonyl containing 845 ......Oxygen bonded directly to the sulfonyl group (e.g., sulfonic acid, etc.) 846 .......Plural oxygens bonded directly to the sulfonyl group (e.g., sulfuric acid, etc.) 847 ......The sulfonyl is part of a sulfonamide group (-(0=)S(=0)HNH, wherein substitution may be made for hydrogen only) 848 ......Containing -C(=X)-, wherein X is chalcogen 849 .......The -C(=X)- is bonded directly to nitrogen, which nitrogen is bonded directly to a ring 850 .....Containing -C(=X)-, wherein X is chalcogen 851 ......The -C(=X)- is bonded directly to one of the benezene rings 852 ......The -C(=X)- is in a -C(=X)X- group, wherein the X's may bee the same or diverse chalcogens 853 .......The -C(=X)X- is in a -C00H group (H of OH may be replaced by the ammonium ion or a Group IA or IIA light metal) 854 .......Additional -C(=X)- bonded directly to nitrogen, which nitrogen is bonded directly to a ring 855 ......Chalcogen, having no direct bond to a ring, attached directly by a single bond to acyclic carbon 856 .....Nitrogen, other than as nitro or nitroso, attached indirectly to the azo group by nonionic bonding 857 ......Hydroxy bonded directly to acyclic carbon or carbon chain (H of hydroxy may be replaced by the ammonium ion or Group IA or IIA light metal) 858 .......Plural chalcogens bonded directly to the acyclic carbon or carbon chain 859 ......Chalcogen bonded directly to a ring 860 ....Acyclic -C(=X)- containing, wherein X is chalcogen (e.g., carbonyl, etc.) 861 .....Hydroxy bonded directly to a bicyclo ring system (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) 862 ......Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.) 863 .......The -C(=X)- is bonded directly to the bicyclo ring system 864 ........Sulfonyl containing 865 ........Additional acyclic -C(=X)- group 866 .........Additional nitrogen bonded directly to the additional -C(=X)- group 867 ..........At least three -C(=X)HNH groups, wherein substitution may be made for hydrogen only 868 ........Additional amino nitrogen 869 ........Plural oxygens bonded directly to the same monocyclic benzene ring 870 ........Halogen, acyclic carbon, the azo group and an additional halogen or acyclic carbon, all bonded directly to the same benzene ring 871 ........Acyclic carbon, carboxamide and chalcogen or an additional acyclic carbon, all bonded directly to the same benzene ring 872 .......The nitrogen is additionally bonded directly to the bicyclo ring system 873 ........Additional acyclic -C(=X)- group 874 ......The -C(=X)- is bonded directly to the bicyclo ring system 875 ....Nitrogen, other than as nitro or nitroso, attached indirectly to the azo group by nonionic bonding 876 .....Oxygen bonded directly to carbon 877 ......The nitrogen and the oxygen are bonded directly to the same bicyclo ring system 878 .......Sulfonyl bonded directly to the bicyclo ring system 879 ........Plural sulfonyl groups or plural nitrogens bonded directly to the bicyclo ring system 880 ........Additional sulfonyl which is attached indirectly to the bicyclo ring system by nonionic bonding 881 .....Sulfonyl and the nitrogen bonded directly to the same bicyclo ring system 882 ....Oxygen double bonded directly to sulfur 883 .....Sulfonyl bonded directly to a bicyclo ring system 884 ......Plural sulfonyl groups bonded directly to the same bicycloo ring system 885 ...Benzene ring bonded directly to the azo group 886 ...Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.) 887 ..Purification or recovery