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
| CAS No. | 1040632-30-1 |
| Molecular Formula | C25H25N3O3S2 |
| Molecular Weight | 479.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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), 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-methoxy-5-methylphenyl)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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
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
- 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)
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-ethylphenyl)-N-methyl-4-phenylthiophene-3-sulfonamide (CAS 1173745-62-4)
- (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-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-methyl-N,4-bis(4-methylphenyl)thiophene-3-sulfonamide (CAS 1173751-96-6)
- 258882-48-3 4-CHLORO-1-(3-METHOXYPHENYL)-1-OXOBUTANE DTXSID80444726 (CAS 258882-48-3)
- 3-Methoxy-2-(trimethylsilyl)phenyl trifluoromethanesulfonate (CAS 217813-03-1)
- 3-Fluoro-5-hydroxyphenylboronic Acid (CAS 871329-82-7)
- (2,5-Dibromophenyl)hydrazine hydrochloride (CAS 214915-87-4)
- 2,7-Dimethyl-1-propyl-1H-indole-3-carbaldehyde (CAS 1134334-37-4)
- 2-Amino-N-cyclohexyl-N-methyl-2-phenylacetamide (CAS 1218129-76-0)
- N-(3,5-Difluorobenzyl)-1,4-dimethyl-1H-pyrazol-3-amine hydrochloride (CAS 1856031-90-7)
- 2-(3-Methoxybenzoyl)-N-phenylhydrazine-1-carbothioamide (CAS 443903-63-7)
- N2-Acetamido-6-benzyloxypurine (CAS 92193-74-3)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
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