N-(4-Ethoxyphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide CAS 335399-50-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 335399-50-3 |
| Molecular Formula | C20H23N3O3S2 |
| Molecular Weight | 417.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity N-(4-Ethoxyphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 335399-50-3) pharmaceutical standards reference standard. Molecular formula: C20H23N3O3S2. Molecular weight: 417.54 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H23N3O3S2 |
| Molecular Weight | 417.54 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(2-Ethoxyphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618427-64-8)
- 4-[(E)-2-(2-Ethoxyphenyl)ethenyl]-8-(trifluoromethoxy)-2H,3H-thieno[3,2-c]quinoline (CAS 866133-60-0)
- 2-(4-Ethoxyphenyl)-5-(1-ethyl-2-oxoindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 538340-78-2)
- 5-(((6-(4-Ethoxyphenyl)pyridazin-3-yl)thio)methyl)-3-(4-ethylphenyl)-1,2,4-oxadiazole (CAS 1115285-45-4)
- 3-(4-(4-Ethoxyphenyl)-5-((3-methoxybenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 477329-58-1)
- 2-((3-(4-Ethoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 380353-05-9)
- N-(2-(5-(4-Ethoxyphenyl)-1-propionyl-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 923107-02-2)
- 4-[4-(2-Ethoxyphenyl)piperazin-1-yl]-6-[(4-methylphenyl)sulfanyl]pyrimidin-2-amine (CAS 1272756-47-4)
Recommended Standards
- N-Benzyl-N-(2-(2,2-dimethyl-4-phenyltetrahydro-2H-pyran-4-yl)ethyl)furan-2-carboxamide (CAS 303728-92-9)
- Ethyl 8-(4-((1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)methyl)phenyl)-8-oxooctanoate (CAS 898782-16-6)
- 77400-65-8 J40338OKKT Asocainol Asocainol [INN] (+-)-6,7,8,9-Tetrahydro-2,12-dimethoxy-7-methyl-6-phenethyl-5H-dibenz(d,f)azonin-1-ol Asocainolum [INN-Latin] Goe 3764-A Asocainolum UNII-J40338OKKT (CAS 77400-65-8)
- 2-[(5-Bromo-2-pyridinyl)(ethyl)amino]-1-ethanol (CAS 1220017-35-5)
- Dibenzo[b,d]furan-2-yl 4-(phenylthio)butanoate (CAS 5617-40-3)
- Ceftopram lmpurity 42 (CAS CATO-C4X-135842)
- 1-(5-Methyl-2,3,3a,4-tetrahydrocycloocta[b]furan-7-yl)ethanone (CAS 142867-70-7)
- 5-(3-Bromophenyl)-4h-1,2,4-triazole-3-carboxylic acid (CAS 944906-61-0)
- 2-(Hydroxymethyl)-1-oxaspiro[5.5]undecan-9-one (CAS 2177259-17-3)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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