3-Methyl-4-[(2-methylphenyl)sulfanyl]-[1,2]oxazolo[5,4-d]pyrimidine CAS 478050-41-8

Purity 97%+In StockPharmaceutical Standards
CAS No.478050-41-8
Molecular FormulaC13H11N3OS
Molecular Weight257.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-4-[(2-methylphenyl)sulfanyl]-[1,2]oxazolo[5,4-d]pyrimidine CAS 478050-41-8 chemical structure

Description

Based on its molecular formula C13H11N3OS, 3-Methyl-4-[(2-methylphenyl)sulfanyl]-[1,2]oxazolo[5,4-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

3-Methyl-4-[(2-methylphenyl)sulfanyl]-[1,2]oxazolo[5,4-d]pyrimidine (CAS 478050-41-8), molecular formula C13H11N3OS and molecular weight 257.31 g/mol, is a CATO reference standard with documented purity and traceability.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC13H11N3OS
Molecular Weight257.31 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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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