2-(tert-Butyl)-5-methyl-1H-pyrazol-3(2H)-one CAS 277299-79-3

Purity 97%+In StockPharmaceutical Standards
CAS No.277299-79-3
Molecular FormulaC8H14N2O
Molecular Weight154.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(tert-Butyl)-5-methyl-1H-pyrazol-3(2H)-one CAS 277299-79-3 chemical structure

Description

2-(tert-Butyl)-5-methyl-1H-pyrazol-3(2H)-one (CAS 277299-79-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H14N2O. Molecular weight: 154.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

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.)2025
Nitrogen Atoms2

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