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4-hydroxy-3,4'-azo-bis-naphthalene-1-sulfonic acid

CAS No. : 13613-55-3 Formula : C20H14N2O7S2 Molecular Weight. : 458.464 Check Encyclopedia

Synonyms : (Naphthalin-sulfonsaeure-(1))-(4 azo 2)-(naphthol-(1)-sulfonsaeure-(4)); 2-(4-sulpho-1-naphthylazo)-1-naphthol-4-sulphonic acid; 4-Hydroxy-3,4'-azo-bis-naphthalin-1-sulfonsaeure; 4-Hydroxy-3-(4-sulfo-naphthalen-1-ylazo)-naphthalene-1-sulfonic acid; 1'-Hydroxy-[1.2']azonaphthalin-disulfonsaeure-(4.4'); 4-hydroxy-3-[(4-sulfo-1-naphthyl)azo]naphthalene-1-sulfonic acid; 2-(4-sulfo-1-naphthylazo)-1-naphthol-4-sulfonic acid;

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4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methyl-ph enyl]-2-methyl-phenyl]azo-naphthalene-1-sulfonic acid

CAS No. : 25188-51-6 Formula : C34H26N4O8S2 Molecular Weight. : 682.722 Check Encyclopedia

Synonyms : 4,4'-dihydroxy-2-amino-5-methyldiphenylamine;

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4-amino-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methyl-phen yl]-2-methyl-phenyl]azo-naphthalene-1-sulfonic acid

CAS No. : 25188-48-1 Formula : C34H27N5O7S2 Molecular Weight. : 681.737 Check Encyclopedia

Synonyms : 4-amino-4H-tetrahydropyran-4-carboxylic acid; 4-amino-2H-3,4,5,6-tetrahydropyran-4-carboxylic acid; 4-amino-tetrahydropyran-4-carboxylic acid; 4-aminotetrahydro-2H-pyran-4-carboxylic acid; 1,1-AC-PYRAN;

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trisodium,(3E)-3-[(2-methoxyphenyl)hydrazinylidene]-4-oxo-7-[[(6E)-5-oxo-7-sulfonato-6-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalen-2-yl]carbamoylamino]naphthalene-2-sulfonate

CAS No. : 83221-78-7 Formula : C38H25N6Na3O13S3 Molecular Weight. : 938.802 Check Encyclopedia

Synonyms : EINECS 280-258-0;

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tetrasodium,(3E)-7-anilino-4-oxo-3-[[7-sulfonato-4-[[6-sulfonato-4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2-sulfonate

CAS No. : 72245-52-4 Formula : C42H25N7Na4O13S4 Molecular Weight. : 1055.91 Check Encyclopedia

Synonyms :

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tetrasodium,(3Z)-7-anilino-4-oxo-3-[[6-sulfonato-4-[[7-sulfonato-4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2-sulfonate

CAS No. : 72245-51-3 Formula : C42H25N7Na4O13S4 Molecular Weight. : 1055.91 Check Encyclopedia

Synonyms :

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trisodium,(3E)-4-oxo-7-[[(6E)-5-oxo-7-sulfonato-6-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalen-2-yl]carbamoylamino]-3-(phenylhydrazinylidene)naphthalene-2-sulfonate

CAS No. : 83221-77-6 Formula : C37H23N6Na3O12S3 Molecular Weight. : 908.776 Check Encyclopedia

Synonyms : EINECS 280-257-5;

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(3Z)-7-benzamido-4-oxo-3-[[4-[(4-sulfophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2-sulfonic acid

CAS No. : 25188-42-5 Formula : C29H21N5O8S2 Molecular Weight. : 631.636 Check Encyclopedia

Synonyms : 7-Benzamido-4-hydroxy-3-((4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic acid; 7-benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalene-2-sulfonic acid; 2-Naphthalenesulfonic acid,7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo); 7-Benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalin-2-sulfonsaeure; C.I. Direct Red 81; 7-(Benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-2-naphthalenesulfonic acid; 3-[4-(4-Sulfo-phenylazo)-phenylazo]-7-benzamino-4-hydroxy-naphthalin-sulfonsaeure-(2); (Benzol-sulfonsaeure-(1))-(4 azo 1)-benzol-(4 azo 2)-(6-benzamino-naphthol-(1)-sulfonsaeure-(3)); EINECS 246-727-9; direct red 81; 4'-(6-Benzamino-1-hydroxy-3-sulfo-naphthyl-(2)-azo)-azobenzol-sulfonsaeure-(4); 7-benzamido-4-hydroxy-3-({4-[(4-sulfophenyl)azo]phenyl}azo)naphthalene-2-sulfonic acid;

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4-hydroxy-3,4'-azo-bis-naphthalene-1-sulfonic acid

4-hydroxy-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methyl-ph enyl]-2-methyl-phenyl]azo-naphthalene-1-sulfonic acid

4-amino-3-[4-[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-3-methyl-phen yl]-2-methyl-phenyl]azo-naphthalene-1-sulfonic acid

trisodium,(3E)-3-[(2-methoxyphenyl)hydrazinylidene]-4-oxo-7-[[(6E)-5-oxo-7-sulfonato-6-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalen-2-yl]carbamoylamino]naphthalene-2-sulfonate

tetrasodium,(3E)-7-anilino-4-oxo-3-[[7-sulfonato-4-[[6-sulfonato-4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2-sulfonate

tetrasodium,(3Z)-7-anilino-4-oxo-3-[[6-sulfonato-4-[[7-sulfonato-4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2-sulfonate

trisodium,(3E)-4-oxo-7-[[(6E)-5-oxo-7-sulfonato-6-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalen-2-yl]carbamoylamino]-3-(phenylhydrazinylidene)naphthalene-2-sulfonate

(3Z)-7-benzamido-4-oxo-3-[[4-[(4-sulfophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2-sulfonic acid