5-(Pyridin-2-ylmethylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione CAS 73664-50-3

Purity 97%+In StockPharmaceutical Standards
CAS No.73664-50-3
Molecular FormulaC10H7N3O2S
Molecular Weight233.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(Pyridin-2-ylmethylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione CAS 73664-50-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(Pyridin-2-ylmethylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione.

5-(Pyridin-2-ylmethylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione (CAS 73664-50-3), molecular formula C10H7N3O2S and molecular weight 233.25 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-(Pyridin-2-ylmethylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione (C10H7N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 233.25 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 5-(Pyridin-2-ylmethylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione 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 FormulaC10H7N3O2S
Molecular Weight233.25 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.)1978
Nitrogen Atoms3
Sulfur Atoms1

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