4-(3,4-Dimethoxyphenyl)-6-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione CAS 892301-74-5

Purity 97%+In StockPharmaceutical Standards
CAS No.892301-74-5
Molecular FormulaC21H20N4O3S
Molecular Weight408.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(3,4-Dimethoxyphenyl)-6-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione CAS 892301-74-5 chemical structure

Description

The occurrence of 4-(3,4-Dimethoxyphenyl)-6-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-(3,4-Dimethoxyphenyl)-6-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione (CAS 892301-74-5), a certified reference material (molecular formula C21H20N4O3S, MW 408.47 g/mol) for analytical method development and quality control.

Structurally, 4-(3,4-Dimethoxyphenyl)-6-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione (C21H20N4O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 408.47 g/mol, it falls into the moderately-high-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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 4-(3,4-Dimethoxyphenyl)-6-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC21H20N4O3S
Molecular Weight408.47 g/mol
Purity97%+
StorageStore in a cool place (≤25°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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms4
Sulfur Atoms1

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