8-Cyclopentyl-5-methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one CAS 362656-23-3

Purity 97%+In StockPharmaceutical Standards
CAS No.362656-23-3
Molecular FormulaC14H17N3OS
Molecular Weight275.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

8-Cyclopentyl-5-methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one CAS 362656-23-3 chemical structure

Description

CATO supplies 8-Cyclopentyl-5-methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one (CAS 362656-23-3), a certified reference material (molecular formula C14H17N3OS, MW 275.37 g/mol) for analytical method development and quality control.

Structurally, 8-Cyclopentyl-5-methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one (C14H17N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, 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 275.37 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), 8-Cyclopentyl-5-methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-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 FormulaC14H17N3OS
Molecular Weight275.37 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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