N-(2-Cyano-3-methylbutan-2-yl)-2-((6-ethyl-5-methyl-3-(4-methylbenzyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide CAS 781631-52-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 781631-52-5 |
| Molecular Formula | C25H30N4O2S2 |
| Molecular Weight | 482.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(2-Cyano-3-methylbutan-2-yl)-2-((6-ethyl-5-methyl-3-(4-methylbenzyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 781631-52-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H30N4O2S2. Molecular weight: 482.66 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H30N4O2S2 |
| Molecular Weight | 482.66 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related N Standards
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- Ethyl 2-(2-((3-cyano-6-methyl-4-(trifluoromethyl)pyridin-2-yl)thio)acetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 445383-14-2)
- 2-((3-Cyano-4-(3,4-dimethoxyphenyl)-6-phenylpyridin-2-yl)thio)-N-phenylacetamide (CAS 332018-55-0)
- Ethyl 2-cyano-3-(tosyloxy)-2-((tosyloxy)methyl)propanoate (CAS 1951441-63-6)
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- N-(2-Cyano-3-methylbutan-2-yl)-2-((3-(2-methoxy-5-methylphenyl)-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 763098-38-0)
- 2-((3-Cyano-6-methyl-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl)thio)-N-(3,4-dimethoxyphenyl)acetamide (CAS 496018-61-2)
- N-(3-cyano-4,5-dimethylthiophen-2-yl)-2-((3-cyano-4,6-diphenylpyridin-2-yl)thio)acetamide (CAS 444152-01-6)
Recommended Standards
- N,N'-(ethane-1,2-diyl)bis (N-(3-aminopropyl)-4-methylbenzenesulfonamide) (CAS 181181-38-4)
- N-(3-aminopropyl)-4-methyl-N- (2-((3-((4-methylphenyl)sulfonamido)propyl)amino)ethyl) benzenesulfonamide (CAS 294677-00-2)
- 14-Hydroxylated Brassinosteroid (CAS 457603-63-3)
- tert-Butyl (2S,4S)-2-ethynyl-4-fluoropyrrolidine-1-carboxylate (CAS 833473-87-3)
- 3-(1,3-Dioxan-2-yl)-1-(3-fluorophenyl)propan-1-one (CAS 898786-00-0)
- Allopurinol impurity 29 (CAS CATO-C4X-145829)
- N-(2,3-Dimethylphenyl)glycine (CAS 83442-59-5)
- N-(3-Ethynylphenyl)-benzenesulfonamide (CAS 938891-97-5)
- 2-(4-Fluoro-2-iodobenzyl)-4,4-dimethylisoxazolidin-3-one (CAS 81778-71-4)
- Custom peptides (CAS CATO-CPTD788509)
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