8-Methoxy-5H-chromeno[4,3-d]pyrimidine-2-thiol CAS 1206969-45-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1206969-45-0
Molecular FormulaC12H10N2O2S
Molecular Weight246.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

8-Methoxy-5H-chromeno[4,3-d]pyrimidine-2-thiol CAS 1206969-45-0 chemical structure

Description

CATO supplies 8-Methoxy-5H-chromeno[4,3-d]pyrimidine-2-thiol (CAS 1206969-45-0), a certified reference material (molecular formula C12H10N2O2S, MW 246.29 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H10N2O2S, 8-Methoxy-5H-chromeno[4,3-d]pyrimidine-2-thiol contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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-Methoxy-5H-chromeno[4,3-d]pyrimidine-2-thiol 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 FormulaC12H10N2O2S
Molecular Weight246.29 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms2
Sulfur Atoms1

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