N-(2,5-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide CAS 577763-65-6
| CAS No. | 577763-65-6 |
| Molecular Formula | C20H23N3O2S2 |
| Molecular Weight | 401.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies N-(2,5-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 577763-65-6), a certified reference material (molecular formula C20H23N3O2S2, MW 401.55 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H23N3O2S2, N-(2,5-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 401.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), N-(2,5-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H23N3O2S2 |
| Molecular Weight | 401.55 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 | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(2,6-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 482660-87-7)
- N-(3,4-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618427-81-9)
- N-(3,5-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 585552-00-7)
- (4-(2,4-Dimethylphenyl)piperazin-1-yl)(4-(2-methylbenzoyl)-1H-pyrrol-2-yl)methanone (CAS 478249-48-8)
- 1-(6-((2,5-Dimethylphenyl)thio)pyrimidin-4-yl)-N-(2-methoxyethyl)piperidine-4-carboxamide (CAS 1251549-69-5)
- N-(2,4-Dimethylphenyl)-2-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-1,2-dihydropyridine-3-carboxamide (CAS 339027-91-7)
- N-(3,4-dimethylphenyl)-2-oxo-1-(4-(trifluoromethyl)benzyl)-1,2-dihydropyridine-3-carboxamide (CAS 400088-58-6)
- N-(3,4-Dimethylphenyl)-2-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-1,2-dihydropyridine-3-carboxamide (CAS 339027-82-6)
Recommended Standards
- N-(1-Cyanocyclohexyl)-2-((5-((2,3-dimethylphenyl)amino)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 853355-14-3)
- N-(1-Cyano-1-cyclopropylethyl)-2-((5-((4-isopropylphenyl)amino)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 863412-64-0)
- 2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(4-ethylphenyl)acetamide (CAS 618427-74-0)
- 2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(2-ethylphenyl)acetamide (CAS 585551-77-5)
- N-(2,5-Dichlorobenzyl)-1-(piperidin-2-yl)methanamine hydrochloride (CAS 1289388-43-7)
- 2-Butoxy-5-(trifluoromethyl)phenol (CAS 1881292-70-1)
- 2,2,6,6-Tetramethyl-4-(trifluoromethyl)-3,5-dioxa-2,6-disilaheptane (CAS 2149590-54-3)
- Fmoc-3,4-difluoro-L-phenylalanine (CAS 198560-43-9)
- Arformoterol Impurity 46 (CAS 7529-87-5)
- Chroman-3-one (CAS 19090-04-1)
- 3,5-Dinitroanisole (CAS 5327-44-6)
- Ethyl 2-oxo-4-(pyridin-4-yl)-2,3-dihydrothiazole-5-carboxylate (CAS 886505-28-8)
- Benzyl 3-(methylsulfamoyl)propanoate (CAS 1424042-10-3)
- Liraglutide Impurity 5 TFA Salt (CAS CATO-C4X-19925)
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