4-Chloro-3,5-bis(3,4-dimethylphenyl)-1H-pyrazole CAS 1159993-17-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1159993-17-5
Molecular FormulaC19H19ClN2
Molecular Weight310.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-3,5-bis(3,4-dimethylphenyl)-1H-pyrazole CAS 1159993-17-5 chemical structure

Description

4-Chloro-3,5-bis(3,4-dimethylphenyl)-1H-pyrazole (CAS 1159993-17-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H19ClN2. Molecular weight: 310.82 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC19H19ClN2
Molecular Weight310.82 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentCl-containing
Nitrogen Atoms2

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