7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide CAS 1314997-70-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1314997-70-0
Molecular FormulaC11H13N5O2S
Molecular Weight279.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide CAS 1314997-70-0 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide.

7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide (CAS 1314997-70-0) is a high-purity analytical reference standard with the molecular formula C11H13N5O2S and a molecular weight of 279.32 g/mol.

Structurally, 7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide (C11H13N5O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 279.32 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 7-Amino-8-ethyl-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-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 FormulaC11H13N5O2S
Molecular Weight279.32 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms5
Sulfur Atoms1

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