Pharma Reference Standard; Pharmaceutical/API Drug Impurities/Metabolites
API
Phenylbutazone
CAS Number
103-33-3
Alternate CAS Number
856628-95-0 (HCl salt)
HS Code
29339900
Molecular formula
C12H10N2
Molecular Weight
182.23 g/mol
Synonyms
1,2-diphenyldiazene; Azobenzene;
Appearance
Light yellow to Yellow to Orange powder to crystal
Melting Point
66.0 to 70.0 °C
Storage
2°C to 8°C
Solubility
Soluble In Ether, Alcohol, Benzene
Stability
Stable. Combustible. Incompatible with strong oxid
Boiling Point
293 °C
Applications
Phenylbutazone EP Impurity D is supplied with detailed characterization data compliant with regulatory guideline. Phenylbutazone EP Impurity D can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Phenylbutazone.