Ethyl 5-(3,4-difluorophenyl)-1H-pyrazole-3-carboxylate CAS 1187635-57-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1187635-57-9
Molecular FormulaC12H10F2N2O2
Molecular Weight252.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 5-(3,4-difluorophenyl)-1H-pyrazole-3-carboxylate CAS 1187635-57-9 chemical structure

Description

Ethyl 5-(3,4-difluorophenyl)-1H-pyrazole-3-carboxylate (CAS 1187635-57-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H10F2N2O2. Molecular weight: 252.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC12H10F2N2O2
Molecular Weight252.22 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentF-containing
Nitrogen Atoms2

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