2-((6-Ethyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid CAS 886500-22-7

Purity 97%+In StockPharmaceutical Standards
CAS No.886500-22-7
Molecular FormulaC11H12N2O3S2
Molecular Weight284.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-((6-Ethyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid CAS 886500-22-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 284.35 g/mol gives 2-((6-Ethyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-((6-Ethyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid (CAS 886500-22-7) is a high-purity analytical reference standard with the molecular formula C11H12N2O3S2 and a molecular weight of 284.35 g/mol.

Based on its molecular formula C11H12N2O3S2, 2-((6-Ethyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid 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 284.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 2-((6-Ethyl-3-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid 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 FormulaC11H12N2O3S2
Molecular Weight284.35 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2
Sulfur Atoms2

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