CAS: 21542-82-5 - 2-hydroxy-5-(4-sulfophenyl)azo-benzoic acid

Formula: C₁₃H₁₀N₂O₆S

InChI: InChI=1S/C13H10N2O6S/c16-12-6-3-9(7-11(12)13(17)18)15-14-8-1-4-10(5-2-8)22(19,20)21/h1-7,16H,(H,17,18)(H,19,20,21)

InChI key: InChIKey=MXCDRFGKHNFKIP-UHFFFAOYSA-N

SMILES: O=C(O)C1=CC(N=NC2=CC=C(C=C2)S(=O)(=O)O)=CC=C1O

Synonyms:

• 2-Hydroxy-5-(4-sulfophenylazo)benzoic acid
• 2-Hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid
• 2-Hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid
• 21542-82-5
• Acid Yellow 10
• Benzoic acid, 2-hydroxy-5-[(4-sulfophenyl)azo]-
• Benzoic acid, 2-hydroxy-5-[2-(4-sulfophenyl)diazenyl]-
• Salicylic acid, 5-(4-sulfophenylazo)-
• Salicylic acid, 5-(p-sulfophenylazo)-
• Wsqr Dnunr Dq Cvq

Sulfasalazine EP Impurity I

CAS: 21542-82-5

• Formula: C₁₃H₁₀N₂O₆S
• Color and Shape: Red-Brown Solid
• Molecular weight: 322.29

Sulfasalazine EP Impurity I Sodium Salt

CAS: 21542-82-523478-75-3

• Formula: C₁₃H₉N₂O₆S·Na
• Color and Shape: Orange Solid
• Molecular weight: 321.29 22.99

2-Hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid

CAS: 21542-82-5

2-Hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid is a sulfonic acid that can absorb light. It has been shown to …

• Formula: C₁₃H₁₀N₂O₆S
• Purity: Min. 95%
• Molecular weight: 322.29 g/mol