Sulfasalazine Impurity D

柳氮磺胺吡啶杂质D

Also known as: 2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene, 4-[(2-Hydroxyphenyl)azo]-N-2-pyridinylbenzenesulfonamide, 4-[2-(2-Hydroxyphenyl)diazenyl]-N-2-pyridinylbenzenesulfonamide, Benzenesulfonamide, 4-[(2-hydroxyphenyl)azo]-N-2-pyridinyl-, Sulfasalazine EP Impurity D, Sulfasalazine Impurity 4, 4-[(E)-(2-Hydroxyphenyl)diazenyl]-N-(2-pyridinyl)benzenesulfonamide, 4-[(E)-2-(2-hydroxyphenyl)diazenyl]-N-2-pyridinylbenzenesulfonamide, Deshydroxy descarboxy sulfasalazine, Sulfasalazine specified impurity D

Sulfasalazine Impurity D (CAS 66364-70-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H14N4O3S and a molecular weight of 354.38300 g/mol. It is also known as 2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene, 4-[(2-Hydroxyphenyl)azo]-N-2-pyridinylbenzenesulfonamide and 4-[2-(2-Hydroxyphenyl)diazenyl]-N-2-pyridinylbenzenesulfonamide. Key properties include a boiling point of 586.4±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 308.4±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

66364-70-3

Jingsj CID

J-1343567-9

Molecular Formula

C₁₇H₁₄N₄O₃S

Chinese Name

柳氮磺胺吡啶杂质D

Molecular Weight

354.38300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026