1-(1H-Pyrazol-1-yl)ethanone CAS 10199-64-1

Purity 97%+In StockPharmaceutical Standards
CAS No.10199-64-1
Molecular FormulaC5H6N2O
Molecular Weight110.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(1H-Pyrazol-1-yl)ethanone CAS 10199-64-1 chemical structure

Description

As a certified reference material (CRM), 1-(1H-Pyrazol-1-yl)ethanone 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.

1-(1H-Pyrazol-1-yl)ethanone (CAS 10199-64-1), molecular formula C5H6N2O and molecular weight 110.11 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H6N2O, 1-(1H-Pyrazol-1-yl)ethanone contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 110.11 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.

Physical & Chemical Properties

Molecular FormulaC5H6N2O
Molecular Weight110.11 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)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1959
Nitrogen Atoms2

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