[1,2,4]Triazolo[1,5-c]pyrimidin-5-amine CAS 76044-39-8

Purity 97%+In StockPharmaceutical Standards
CAS No.76044-39-8
Molecular FormulaC5H5N5
Molecular Weight135.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

[1,2,4]Triazolo[1,5-c]pyrimidin-5-amine CAS 76044-39-8 chemical structure

Description

[1,2,4]Triazolo[1,5-c]pyrimidin-5-amine (CAS 76044-39-8), molecular formula C5H5N5 and molecular weight 135.13 g/mol, is a CATO reference standard with documented purity and traceability.

[1,2,4]Triazolo[1,5-c]pyrimidin-5-amine (C5H5N5) contains a nitrile group. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC5H5N5
Molecular Weight135.13 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)6.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1978
Nitrogen Atoms5

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