n-(1h-1,2,4-Triazol-5-yl)nicotinamide CAS 21051-18-3

Purity 97%+In StockPharmaceutical Standards
CAS No.21051-18-3
Molecular FormulaC8H7N5O
Molecular Weight189.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

n-(1h-1,2,4-Triazol-5-yl)nicotinamide CAS 21051-18-3 chemical structure

Description

n-(1h-1,2,4-Triazol-5-yl)nicotinamide (CAS 21051-18-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7N5O. Molecular weight: 189.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC8H7N5O
Molecular Weight189.17 g/mol
AppearancePale yellow to 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms5

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