N-(2,3-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide CAS 618879-76-8
| CAS No. | 618879-76-8 |
| Molecular Formula | C22H25N3O2S2 |
| Molecular Weight | 427.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 427.58 g/mol gives N-(2,3-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies N-(2,3-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618879-76-8), a certified reference material (molecular formula C22H25N3O2S2, MW 427.58 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H25N3O2S2, N-(2,3-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[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 427.58 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures N-(2,3-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H25N3O2S2 |
| Molecular Weight | 427.58 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(2,6-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 577996-82-8)
- N-(3,4-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618879-79-1)
- Ethyl 5-(2-(3,4-dimethylphenyl)-2-oxoethoxy)-2-phenylbenzofuran-3-carboxylate (CAS 6572-58-3)
- 1-(2,6-Dimethylphenyl)-3-((5-((2-fluorophenyl)amino)-1,3,4-thiadiazol-2-yl)thio)pyrrolidine-2,5-dione (CAS 742095-19-8)
- 4-(2,3-Dimethylphenyl)-5-(4-(piperidin-1-ylsulfonyl)phenyl)-4H-1,2,4-triazole-3-thiol (CAS 917750-07-3)
- 4-(2,4-Dimethylphenyl)-5-(4-(piperidin-1-ylsulfonyl)phenyl)-4H-1,2,4-triazole-3-thiol (CAS 917750-00-6)
- (E)-3-(3,4-dimethylphenyl)-N'-(4-methoxybenzylidene)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 478045-74-8)
- 1-(3,5-Dimethylphenyl)-3,4-bis((2R,5R)-2,5-dimethylphospholan-1-yl)-1H-pyrrole-2,5-dione (CAS 1044553-58-3)
Recommended Standards
- 7-(2,2-Diphenylvinyl)-1,2,3,3a,4,8b-hexahydro-4-(4-methylphenyl)-cyclopent[b]indole (CAS 213670-22-5)
- 2-((3-Ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(4-ethylphenyl)acetamide (CAS 577960-12-4)
- 2-((3-Ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(2-ethylphenyl)acetamide (CAS 618879-70-2)
- rac 7-Methoxy Lasofoxifene (CAS 4796-75-2)
- (E)-4-(But-2-en-1-yl)-3-hydroxy-5-methoxybenzoic acid (CAS 81184-21-6)
- 2,5-Dibromo-3-methylpyridine (CAS 3430-18-0)
- N-(4-Chloro-6-methyl-pyrimidin-2-yl)-cyclohexane-1,4-diamine hydrochloride (CAS 1289387-28-5)
- 4-((4-(4-(1H-1,2,3-Triazol-1-yl)butyl)phenoxy)methyl)-2-(4-(trifluoromethyl)styryl)oxazole hydrochloride (CAS 391202-06-5)
- 3-Amino-5-[4-(trifluoromethyl)phenyl]-1H-pyrazole (CAS 130599-34-7)
- 2-Amino-5-(difluoromethyl)-4-hydroxynicotinamide (CAS 1805337-52-3)
- (5-isobutylisoxaZol-3-yl)acetonitrile (CAS 1245772-96-6)
- 1-[1-(4-Isopropylphenyl)ethyl]piperazine (CAS 517855-37-7)
- 4,5-Dimethyl-1-(prop-2-yn-1-yl)-1h-imidazole (CAS 1250664-23-3)
- (Asp28)-Exenatide trifluoroacetate salt (CAS 1678417-24-7)
Why CATO?
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