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Reference substances

Reference substances

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General information

Inventory

EC number:
201-325-2
EC name:
4,4'-diaminostilbene-2,2'-disulphonic acid
CAS number:
81-11-8

No inventory information available

Reference substance information

IUPAC name:
5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzene-1-sulfonic acid
Synonyms
Names:
Identifier:
CAS number
81-11-8
Identifier:
IUPAC name
2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)
Identifier:
other: InChl
1S/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)/b2-1+
Identifier:
other: SMILES notation
c1(c(\C=C\c2c(S(O)(=O)=O)cc(N)cc2)ccc(c1)N)S(O)(=O)=O
4,4'-diamino-2,2'-stilbenedisulfonic acid

CAS information

CAS number:
81-11-8

Molecular and structural information

Molecular formula:
C14H14N2O6S2
Molecular weight:
370.4
SMILES notation:
Nc1ccc(\C=C\c2ccc(N)cc2S(=O)(=O)O)c(c1)S(=O)(=O)O
InChl:
InChI=1S/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)/b2-1+
Structural formula:
Chemical structure