Registration Dossier

Reference substances

Reference substances

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General information

Inventory

EC number:
228-810-1
EC name:
Sodium 4-(3-methyl-4-(4-methyl-3-(phenylaminosulphonyl)phenylazo)-5-hydroxypyrazol-1-yl)benzenesulphonate
CAS number:
6359-85-9

No inventory information available

Reference substance information

IUPAC name:
Acid yellow 25

CAS information

CAS number:
6359-85-9

Molecular and structural information

Molecular formula:
C23H21N5O6S2.Na
Molecular weight:
549.562
SMILES notation:
N1(c2ccc(S(=O)(=O)[O-])cc2)C([C@@H](\N=N\c2cc(S(Nc3ccccc3)(=O)=O)c(C)cc2)C(=N1)C)=O.[Na+]
InChl:
1S/C23H21N5O6S2.Na/c1-15-8-9-18(14-21(15)35(30,31)27-17-6-4-3-5-7-17)24-25-22-16(2)26-28(23(22)29)19-10-12-20(13-11-19)36(32,33)34;/h3-14,22,27H,1-2H3,(H,32,33,34);/q;+1/p-1/b25-24+;
Structural formula:
Chemical structure