5-Methylpyrazine-2-carboxamide CAS 5521-57-3

Purity >95%In StockPharmaceutical Standards
CAS No.5521-57-3
Molecular FormulaC6H7N3O
Molecular Weight137.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methylpyrazine-2-carboxamide CAS 5521-57-3 chemical structure

Description

As a certified reference material (CRM), 5-Methylpyrazine-2-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.

5-Methylpyrazine-2-carboxamide (CAS 5521-57-3) is a high-purity analytical reference standard with the molecular formula C6H7N3O and a molecular weight of 137.14 g/mol.

5-Methylpyrazine-2-carboxamide (C6H7N3O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. 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.

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

Physical & Chemical Properties

Molecular FormulaC6H7N3O
Molecular Weight137.14 g/mol
Purity>95%
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
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms3

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