1-Ethyl-3,5-dimethyl-1H-pyrazole CAS 17629-26-4

Purity 97%+In StockPharmaceutical Standards
CAS No.17629-26-4
Molecular FormulaC7H12N2
Molecular Weight124.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Ethyl-3,5-dimethyl-1H-pyrazole CAS 17629-26-4 chemical structure

Description

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.

1-Ethyl-3,5-dimethyl-1H-pyrazole (CAS 17629-26-4), molecular formula C7H12N2 and molecular weight 124.18 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H12N2, 1-Ethyl-3,5-dimethyl-1H-pyrazole contains a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 124.18 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.

As a certified reference material (CRM), 1-Ethyl-3,5-dimethyl-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 FormulaC7H12N2
Molecular Weight124.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1962
Nitrogen Atoms2

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Why CATO?