2-(3,4-Dichlorophenyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one CAS 861210-29-9

Purity 97%+In StockPharmaceutical Standards
CAS No.861210-29-9
Molecular FormulaC12H12Cl2N2O2
Molecular Weight287.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(3,4-Dichlorophenyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one CAS 861210-29-9 chemical structure

Description

2-(3,4-Dichlorophenyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one (CAS 861210-29-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12Cl2N2O2. Molecular weight: 287.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H12Cl2N2O2
Molecular Weight287.14 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms2

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