1,4-Dimethyl-1H-pyrazol-5(4H)-one CAS 3310-38-1

Purity 97%+In StockPharmaceutical Standards
CAS No.3310-38-1
Molecular FormulaC5H8N2O
Molecular Weight112.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,4-Dimethyl-1H-pyrazol-5(4H)-one CAS 3310-38-1 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.

CATO supplies 1,4-Dimethyl-1H-pyrazol-5(4H)-one (CAS 3310-38-1), a certified reference material (molecular formula C5H8N2O, MW 112.13 g/mol) for analytical method development and quality control.

Based on its molecular formula C5H8N2O, 1,4-Dimethyl-1H-pyrazol-5(4H)-one 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 112.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

As a certified reference material (CRM), 1,4-Dimethyl-1H-pyrazol-5(4H)-one 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 FormulaC5H8N2O
Molecular Weight112.13 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.)1957
Nitrogen Atoms2

Related Dimethyl Standards

Recommended Standards

Why CATO?