N-(3-Chloro-2-methylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide CAS 335399-64-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 335399-64-9 |
| Molecular Formula | C19H20ClN3O2S2 |
| Molecular Weight | 421.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity N-(3-Chloro-2-methylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 335399-64-9) pharmaceutical standards reference standard. Molecular formula: C19H20ClN3O2S2. Molecular weight: 421.96 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H20ClN3O2S2 |
| Molecular Weight | 421.96 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(5-Chloro-2-methylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 585552-97-2)
- N-(3-chloro-4-methylphenyl)-2-(2-((phenylthio)methyl)-1H-benzo[d]imidazol-1-yl)acetamide (CAS 339100-68-4)
- 3-[(2-Chloro-6-fluorophenyl)methyl]-1-dodecyl-4-hydroxy-1,2-dihydropyridin-2-one (CAS 477860-64-3)
- 2-(4-chloro-2-methylphenoxy)(3-pyridyl) 4-benzylpiperazinyl ketone (CAS 497060-64-7)
- 2-{[(2-chloro-6-{[1-methyl-4-(propan-2-yl)-7-oxabicyclo[2.2.1]heptan-2-yl]oxy}phenyl)methyl]carbamoyl}cyclopropane-1-carboxylic acid (CAS 1005270-14-3)
- 1-(4-chloro-2-nitrobenzenesulfonyl)-4-[(2E)-3-phenylprop-2-en-1-yl]piperazine 1025588-81-1 MS-10439 (CAS 1025588-81-1)
- 2-(3-Chloro-4-(methylsulfonyl)phenyl)-3-((S)-3-oxocyclopentyl)-N-(pyrazin-2-yl)propanamide (CAS 625114-41-2)
- 4-Chloro-N-(4-(((3-(trifluoromethyl)phenyl)thio)methyl)phenyl)benzamide (CAS 338398-62-2)
Recommended Standards
- 4-Hydroxy Clomiphene (CAS 79838-51-0)
- 4-Hydroxy Toremifene(~8% E isomer) (CAS 352233-94-4)
- Toremifene N-Oxide (CAS 163130-29-8)
- Methylsilane (CAS 992-94-9)
- 2-Amino-4-chloro-7H-pyrrolo[2,3-d]pyrimidine (CAS 84955-31-7)
- Cefotaxime Impurity 37 (CAS CATO-C4X-120137)
- 1-(3,4-Difluorobenzyl)-3-(piperidin-4-yl)imidazolidin-2-one (CAS 1243002-01-8)
- 3-Ethyl-8-(pyrrolidin-3-yl)quinoline (CAS 695185-35-4)
- [2-(1H-imidazol-1-yl)ethyl][(1-methyl-1H-pyrazol-4-yl)methyl]amine trihydrochloride (CAS 1803605-01-7)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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