2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetohydrazide CAS 561009-01-6

Purity 97%+In StockPharmaceutical Standards
CAS No.561009-01-6
Molecular FormulaC10H12N4O2S
Molecular Weight252.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetohydrazide CAS 561009-01-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 252.29 g/mol gives 2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetohydrazide (CAS 561009-01-6), molecular formula C10H12N4O2S and molecular weight 252.29 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C10H12N4O2S, 2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetohydrazide 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 252.29 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).

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-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetohydrazide 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 FormulaC10H12N4O2S
Molecular Weight252.29 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Nitrogen Atoms4
Sulfur Atoms1

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