2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(4-sulfamoylphenyl)acetamide CAS 577999-30-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 577999-30-5 |
| Molecular Formula | C18H20N4O4S3 |
| Molecular Weight | 452.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(4-sulfamoylphenyl)acetamide (CAS 577999-30-5) pharmaceutical standards reference standard. Molecular formula: C18H20N4O4S3. Molecular weight: 452.57 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H20N4O4S3 |
| Molecular Weight | 452.57 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.) | 1984 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 3 |
Related Ethyl Standards
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- Dimethyl 2-((2-chlorothiazol-5-yl)methyl)-2-(2-nitro-4-(trifluoromethyl)phenyl)malonate (CAS 861209-82-7)
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- 2-(2-(((3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl)(methyl)amino)propanamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide (CAS 1031789-42-0)
- Dimethyl 2-(6-ethoxy-2,2-dimethyl-3-thioxo-2,3-dihydroquinolin-4(1h)-ylidene)-1,3-dithiole-4,5-dicarboxylate (CAS 296272-53-2)
- 2-[2,5-Dimethyl-1-(3-nitrobenzoyl)-3-oxo-2,3-dihydro-1H-pyrazol-4-yl]ethyl 3-nitrobenzoate (CAS 860611-56-9)
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Recommended Standards
- (S)-N-((3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl)-1-tosylpyrrolidine-2-carboxamide (CAS 957012-34-9)
- 4,6-Bis(4-methoxyphenyl)-2-((4-methylbenzyl)thio)nicotinonitrile (CAS 332114-66-6)
- (S)-2-(5-((((1H-Imidazol-5-yl)methyl)amino)methyl)-2'-methyl-[1,1'-biphenyl]-2-ylcarboxamido)-4-(methylthio)butanoic acid (CAS 251577-09-0)
- 6-Chloro-2-(methylthio)-N-phenylpyrimidin-4-amine (CAS 86626-97-3)
- 4-Cyclopropoxy-N1,N1,N3,N3-tetramethylbenzene-1,3-diamine (CAS 1243374-86-8)
- 6-Bromo-2,3-dihydrospiro[indene-1,2'-pyrrolidin]-5'-one (CAS 151484-79-6)
- 1-Tosyl-2,3-dihydro-1H-pyrrole (CAS 130719-30-1)
- Tetrabenazine Impurity 41 (CAS 4602-81-7)
- N-(tert-Butyl)-4-piperidinecarboxamidehydrochloride (CAS 540494-01-7)
- Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 90880-35-6)
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