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Reference substances

Reference substances

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General information

Inventory

EC number:
202-947-7
EC name:
4-aminoazobenzene-3,4'-disulphonic acid
CAS number:
101-50-8

No inventory information available

Reference substance information

IUPAC name:
2-amino-5-[(4-sulfophenyl)diazenyl]benzenesulfonic acid
Synonyms
Names:
Benzenesulfonic acid, 2-amino-5- (4-sulfophenyl)azo -
Benzenesulfonic acid, 2-amino-5-[(4-sulfophenyl)azo]-

CAS information

CAS number:
101-50-8

Molecular and structural information

Molecular formula:
C12H11N3O6S2
Molecular weight:
357.362
SMILES notation:
Nc1ccc(cc1S(=O)(=O)O)N=Nc2ccc(cc2)S(=O)(=O)O
InChl:
InChI=1/C12H11N3O6S2/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18/h1-7H,13H2,(H,16,17,18)(H,19,20,21)
Structural formula:
Chemical structure