Impurities
AY-0289-004
Sulfamethoxazole EP Impurity C
C4H6N2O
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Impurity reference standard material
Sulfamethoxazole EP Impurity D
Material overview
Sulfamethoxazole EP Impurity D (AY-0289-005) — impurity reference standard material. CAS 121-57-3, formula C6H7NO3S, molecular weight 173.19 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0289-005
- CAS number
- 121-57-3
- Molecular formula
- C6H7NO3S
- Molecular weight
- 173.19 g/mol
- Category
- Impurity reference standard material
- Chemical name
- 4-aminobenzenesulfonic acid
- Synonyms
- 4-Aminobenzenesulfonic Acid; 4-Aminophenylsulfonic Acid; 4-Sulfoaniline; NSC 7170; Sulphanilic Acid; p-Aminobenzenesulfonic Acid; p-Aminophenylsulfonic Acid; p-Sulfoaniline; 1-Aminobenzene-4-sulfonic acid; 4-Aminobenzene-1-sulfonic acid
- SMILES
- C1=CC(=CC=C1N)S(=O)(=O)O
- Appearance
- White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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