2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxybenzyl)acetamide CAS 1040631-94-4
| CAS No. | 1040631-94-4 |
| Molecular Formula | C25H25N3O3S2 |
| Molecular Weight | 479.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxybenzyl)acetamide 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.
2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxybenzyl)acetamide (CAS 1040631-94-4), molecular formula C25H25N3O3S2 and molecular weight 479.61 g/mol, is a CATO reference standard with documented purity and traceability.
2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxybenzyl)acetamide (C25H25N3O3S2) 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).
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.
CATO manufactures 2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxybenzyl)acetamide 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 Formula | C25H25N3O3S2 |
| Molecular Weight | 479.61 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.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Recommended Standards
- (Z)-tert-Butyl 2-(((1-(5-amino-1,2,4-thiadiazol-3-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)-2-methylpropanoate (CAS 1040749-96-9)
- 2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxy-5-methylphenyl)acetamide (CAS 1040632-30-1)
- 1-oleoyl-2-hydroxy-sn-glycero-3-phosphoethanolamine (CAS 89576-29-4)
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-ethylphenyl)-N-methyl-4-phenylthiophene-3-sulfonamide (CAS 1173745-62-4)
- 3,5-Dichloro-4-fluoroanisole (CAS 1804886-03-0)
- 1-Cyclopropyl-1-(4-methoxyphenyl)methylamine (CAS 54398-65-1)
- 2-(2,3-Dichlorophenyl)-1,3-benzoxazol-5-amine (CAS 339197-79-4)
- 3-Chloro-4-methylphenethyl acetate (CAS 1379334-67-4)
- 4,6-Dichloro-2-ethylpyrimidine (CAS 1195-34-2)
- 4-CHLORO-3-CYANOPHENYLACETIC ACID (CAS 1261733-93-0)
- (R)-4-Methyl-5-nitropent-1-yne (CAS 2842130-20-3)
- (2S,4R)-1-(tert-Butoxycarbonyl)-4-(3-cyanobenzyl)pyrrolidine-2-carboxylic acid (CAS 959582-18-4)
- (2-Ethoxypyridin-3-yl)(1-oxa-4-thia-8-azaspiro[4.5]decan-8-yl)methanone (CAS 1797791-81-1)
- Tirzepatide Impurity 47 (CAS CATO-C4X-324047)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com