1-(5-Chloropentyl)-1H-pyrazol-3(2H)-one CAS 55781-89-0
Purity 97%+In StockPharmaceutical Standards
CAS No.
55781-89-0
Molecular Formula
C8H13ClN2O
Molecular Weight
188.65 g/mol
Category
Pharmaceutical Standards / API Standards
Availability
In Stock
Chemical Structure
Description
1-(5-Chloropentyl)-1H-pyrazol-3(2H)-one (CAS 55781-89-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H13ClN2O. Molecular weight: 188.65 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
Molecular Formula
C8H13ClN2O
Molecular Weight
188.65 g/mol
Appearance
White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity
97%+
Storage
Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)
Soluble in DMSO, DMF, methanol
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light