1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one CAS 54346-27-9

Purity 97%+In StockPharmaceutical Standards
CAS No.54346-27-9
Molecular FormulaC5H10N4O
Molecular Weight142.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one CAS 54346-27-9 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one (CAS 54346-27-9), molecular formula C5H10N4O and molecular weight 142.16 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amide group, a hydroxyl group, an ether linkage, 1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 142.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), 1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC5H10N4O
Molecular Weight142.16 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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1972
Nitrogen Atoms4

Recommended Standards

Why CATO?