3-Nitro-1h-pyrazole-4-carboxamide (CAS 39205-91-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4N4O3. Molecular weight: 156.10 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
Molecular Formula
C4H4N4O3
Molecular Weight
156.10 g/mol
Appearance
Off-white to pale yellow crystalline powder. (faint amine-like odor)
Purity
97%+
Storage
Store at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)
Soluble in methanol, ethanol, DMSO, water
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening