1-Ethynyl-1H-pyrazole CAS 103244-40-2

Purity 97%+In StockPharmaceutical Standards
CAS No.103244-40-2
Molecular FormulaC5H4N2
Molecular Weight92.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Ethynyl-1H-pyrazole CAS 103244-40-2 chemical structure

Description

1-Ethynyl-1H-pyrazole (CAS 103244-40-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4N2. Molecular weight: 92.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC5H4N2
Molecular Weight92.10 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)5.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1986
Nitrogen Atoms2

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