1-Methyl-4-(trifluoromethyl)-1H-pyrazole CAS 176214-16-7

Purity 97%+In StockPharmaceutical Standards
CAS No.176214-16-7
Molecular FormulaC5H5F3N2
Molecular Weight150.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Methyl-4-(trifluoromethyl)-1H-pyrazole CAS 176214-16-7 chemical structure

Description

The occurrence of 1-Methyl-4-(trifluoromethyl)-1H-pyrazole is closely related to a nitrile group, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 1-Methyl-4-(trifluoromethyl)-1H-pyrazole (CAS 176214-16-7), a certified reference material (molecular formula C5H5F3N2, MW 150.10 g/mol) for analytical method development and quality control.

Based on its molecular formula C5H5F3N2, 1-Methyl-4-(trifluoromethyl)-1H-pyrazole contains a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 150.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

As a certified reference material (CRM), 1-Methyl-4-(trifluoromethyl)-1H-pyrazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC5H5F3N2
Molecular Weight150.10 g/mol
AppearanceWhite 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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2007
Halogen ContentF-containing
Nitrogen Atoms2

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