2-Hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid
2-羟基-5-[(4-磺基苯基)偶氮]苯甲酸
Also known as: Sulfasalazine EP Impurity I, Sulfasalazine Impurity I, 2-Hydroxy-5-((4-sulfophenyl)diazenyl)benzoic acid, 2-Hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid, Benzoic acid, 2-hydroxy-5-[2-(4-sulfophenyl)diazenyl]-, Mesalazine Impurity 20, Salazopyridine EP Impurity I, Salicylic acid, 5-(4-sulfophenylazo)-, Sulfasalazine Impurity 9(Sulfasalazine EP Impurity I)
- CAS No.
- 21542-82-5
- Jingsj CID
- J-1522963-8
- Molecular Formula
- C13H10N2O6S
- Chinese Name
- 2-羟基-5-[(4-磺基苯基)偶氮]苯甲酸
- Molecular Weight
- 322.29300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Density | 1.58g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of 2-Hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid?
21542-82-5
What are the molecular formula and molecular weight of 2-Hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid?
C13H10N2O6S, molecular weight 322.29300 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026