Pyrimidine-5-carboxamide CAS 40929-49-5

Purity 97%+In StockPharmaceutical Standards
CAS No.40929-49-5
Molecular FormulaC5H5N3O
Molecular Weight123.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pyrimidine-5-carboxamide CAS 40929-49-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 123.11 g/mol gives Pyrimidine-5-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Pyrimidine-5-carboxamide (CAS 40929-49-5), molecular formula C5H5N3O and molecular weight 123.11 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H5N3O, Pyrimidine-5-carboxamide contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 123.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), Pyrimidine-5-carboxamide 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 FormulaC5H5N3O
Molecular Weight123.11 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.)1968
Nitrogen Atoms3

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Why CATO?