2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}-N-(2,4,6-trimethylphenyl)acetamide CAS 1105235-87-7
| CAS No. | 1105235-87-7 |
| Molecular Formula | C23H21N3O2S |
| Molecular Weight | 403.50 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.
2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}-N-(2,4,6-trimethylphenyl)acetamide (CAS 1105235-87-7), molecular formula C23H21N3O2S and molecular weight 403.50 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}-N-(2,4,6-trimethylphenyl)acetamide (C23H21N3O2S) 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 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 403.50 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}-N-(2,4,6-trimethylphenyl)acetamide 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 | C23H21N3O2S |
| Molecular Weight | 403.50 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- N-(2-ethyl-6-methylphenyl)-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide (CAS 1105223-93-5)
- N-(2,3-Dimethylphenyl)-2-[2-oxo-5-(piperidine-1-sulfonyl)-1,2-dihydropyridin-1-yl]acetamide (CAS 1251557-32-0)
- 2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}-N-(3-phenylpropyl)acetamide (CAS 1105206-84-5)
- N-(4-ethylphenyl)-2-(1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)pyridine-3-sulfonamide (CAS 1251591-68-0)
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