5-ethynyl-1H-1,2,4-triazole CAS 2138143-45-8

Purity 97%+In StockPharmaceutical Standards
CAS No.2138143-45-8
Molecular FormulaC4H3N3
Molecular Weight93.09 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-ethynyl-1H-1,2,4-triazole CAS 2138143-45-8 chemical structure

Description

CATO supplies 5-ethynyl-1H-1,2,4-triazole (CAS 2138143-45-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H3N3. Molecular weight: 93.09 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC4H3N3
Molecular Weight93.09 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.)1997
Nitrogen Atoms3

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