3-Methyl-2-{[2-(6-methyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)-2-oxoethyl]sulfanyl}-7-(4-methylphenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one CAS 1105196-93-7
| CAS No. | 1105196-93-7 |
| Molecular Formula | C25H23N3O3S2 |
| Molecular Weight | 477.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Methyl-2-{[2-(6-methyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)-2-oxoethyl]sulfanyl}-7-(4-methylphenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1105196-93-7) is a high-purity analytical reference standard with the molecular formula C25H23N3O3S2 and a molecular weight of 477.60 g/mol.
3-Methyl-2-{[2-(6-methyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)-2-oxoethyl]sulfanyl}-7-(4-methylphenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one (C25H23N3O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-Methyl-2-{[2-(6-methyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)-2-oxoethyl]sulfanyl}-7-(4-methylphenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one 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 Formula | C25H23N3O3S2 |
| Molecular Weight | 477.60 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Recommended Standards
- 3-Ethyl-2-((2-(6-methyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)-2-oxoethyl)thio)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 1040661-80-0)
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