3-Chloro-1-methyl-1H-pyrazole CAS 63425-54-7

Purity 97%+In StockPharmaceutical Standards
CAS No.63425-54-7
Molecular FormulaC4H5ClN2
Molecular Weight116.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Chloro-1-methyl-1H-pyrazole CAS 63425-54-7 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

3-Chloro-1-methyl-1H-pyrazole (CAS 63425-54-7) is a high-purity analytical reference standard with the molecular formula C4H5ClN2 and a molecular weight of 116.55 g/mol.

Structurally, 3-Chloro-1-methyl-1H-pyrazole (C4H5ClN2) contains a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 116.55 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

CATO manufactures 3-Chloro-1-methyl-1H-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC4H5ClN2
Molecular Weight116.55 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, 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
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1975
Halogen ContentCl-containing
Nitrogen Atoms2

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