4,4-Diethyl-5-methyl-4H-pyrazol-3-ol CAS 90152-73-1

Purity 97%+In StockPharmaceutical Standards
CAS No.90152-73-1
Molecular FormulaC8H14N2O
Molecular Weight154.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4-Diethyl-5-methyl-4H-pyrazol-3-ol CAS 90152-73-1 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,4-Diethyl-5-methyl-4H-pyrazol-3-ol.

CATO supplies 4,4-Diethyl-5-methyl-4H-pyrazol-3-ol (CAS 90152-73-1), a certified reference material (molecular formula C8H14N2O, MW 154.21 g/mol) for analytical method development and quality control.

4,4-Diethyl-5-methyl-4H-pyrazol-3-ol (C8H14N2O) contains an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 4,4-Diethyl-5-methyl-4H-pyrazol-3-ol 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 FormulaC8H14N2O
Molecular Weight154.21 g/mol
AppearanceWhite to pale yellow crystalline powder. (faint amine-like odor)
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.)1982
Nitrogen Atoms2

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