N-(3-chlorophenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide CAS 1040632-48-1
| CAS No. | 1040632-48-1 |
| Molecular Formula | C23H20ClN3O2S2 |
| Molecular Weight | 470.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C23H20ClN3O2S2, N-(3-chlorophenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 470.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
N-(3-chlorophenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040632-48-1), molecular formula C23H20ClN3O2S2 and molecular weight 470.01 g/mol, is a CATO reference standard with documented purity and traceability.
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-(3-chlorophenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-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 | C23H20ClN3O2S2 |
| Molecular Weight | 470.01 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
- N-(2-Chlorophenyl)-2-{[3-ethyl-7-(4-methylphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide (CAS 1040632-44-7)
- N-(4-chlorophenyl)-2-((3-ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040632-52-7)
- N-[(2-Chlorophenyl)methyl]-2-{[3-methyl-7-(4-methylphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide (CAS 1040675-60-2)
- N-[(4-Chlorophenyl)methyl]-2-{[3-methyl-7-(4-methylphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide (CAS 1040683-26-8)
- 3-((4-Chlorophenyl)sulfonyl)-N-(1-phenylethyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 892737-34-7)
- 3-((4-Chlorophenyl)sulfonyl)-N-(3,5-dimethylphenyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 892738-43-1)
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- Ethyl (3-((4-(3-chlorophenyl)piperazin-1-yl)sulfonyl)-1-methyl-1H-pyrazole-4-carbonyl)glycinate (CAS 1189462-53-0)
Recommended Standards
- N-(2-Chloro-4-methylphenyl)-2-{[3-methyl-7-(4-methylphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide (CAS 1040631-92-2)
- N-(5-chloro-2-methylphenyl)-2-((3-ethyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040662-62-1)
- 4'-Chloro-4-((phenylsulfonyl)methyl)-5-(pyridin-2-ylthio)-1,6-dihydro-[1,1'-biphenyl]-3(2H)-one (CAS 303144-41-4)
- (2R)-2-[(1E)-3-(4’-Chloro-2’-methyl[1,1’-biphenyl]-3-yl)-3-hydroxy-1-propen-1-yl]-5-oxo-1-pyrrolidineheptanoic Acid (CAS 493035-81-7)
- 3-Bromoquinoline-2-carbaldehyde (CAS 898559-24-5)
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