3-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazole CAS 2228148-61-4

Purity 97%+In StockPharmaceutical Standards
CAS No.2228148-61-4
Molecular FormulaC7H6F2N2
Molecular Weight156.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazole CAS 2228148-61-4 chemical structure

Description

The occurrence of 3-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazole is closely related to a nitrile group, fluorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazole (CAS 2228148-61-4), molecular formula C7H6F2N2 and molecular weight 156.13 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H6F2N2, 3-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazole contains a nitrile group, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 156.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 3-(Difluoromethyl)-4-ethynyl-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 FormulaC7H6F2N2
Molecular Weight156.13 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Halogen ContentF-containing
Nitrogen Atoms2

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