Ethyl 2-(2-((3-cyano-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)thio)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate CAS 445383-11-9
| CAS No. | 445383-11-9 |
| Molecular Formula | C23H25N3O3S2 |
| Molecular Weight | 455.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Ethyl 2-(2-((3-cyano-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)thio)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate 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.
Ethyl 2-(2-((3-cyano-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)thio)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (CAS 445383-11-9), molecular formula C23H25N3O3S2 and molecular weight 455.59 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 2-(2-((3-cyano-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)thio)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (C23H25N3O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 455.59 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C23H25N3O3S2 |
| Molecular Weight | 455.59 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Ethyl Standards
- N-(2-Cyano-3-methylbutan-2-yl)-2-((5-(4-methoxyphenyl)-4-(2-methylcyclohexyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 1005123-41-0)
- Ethyl 4-cyano-5-{2-[(3-cyano-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl)sulfanyl]acetamido}-3-methylthiophene-2-carboxylate (CAS 488793-00-6)
- Ethyl 5-cyano-4-(3,4-dimethoxyphenyl)-2-methyl-6-(quinolin-2-yl)-1,4-dihydropyridine-3-carboxylate (CAS 10354-39-9)
- 2-{[3-cyano-4-(trifluoromethyl)-5H,6H,7H,8H,9H,10H-cycloocta[b]pyridin-2-yl]sulfanyl}-N-(3,4-difluorophenyl)acetamide (CAS 626228-75-9)
- N-Cyano Zanamivir Amine Triacetate Methyl Ester (CAS 1228216-82-7)
- 2-((3-Cyano-6-(thiophen-2-yl)-4-(trifluoromethyl)pyridin-2-yl)thio)-N-(2,6-difluorophenyl)acetamide (CAS 496018-65-6)
- 2-((3-Cyano-4,6-dimethylpyridin-2-yl)thio)-N-(2,4-dibromophenyl)acetamide (CAS 333778-12-4)
- (R)-5-(2-((5-cyano-2-(2-methoxyethoxy)phenyl)amino)pyrimidin-4-yl)-3-(hydroxymethyl)-3-methylindoline-7-carbonitrile (CAS 2113617-57-3)
Recommended Standards
- 6-Benzyl-2,5-dimethyl-N-(3-morpholinopropyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 862487-71-6)
- Aprepitant impurity 34 (CAS CATO-C4X-237934)
- 1-Amino-4-((4-(methyl(octyl)amino)phenyl)amino)anthracene-9,10-dione (CAS 89132-99-0)
- Methyl 2-(bromomethyl)-6-chloro-3-(3-methyl-2,6-dioxo-4-(trifluoromethyl)-2,3-dihydropyrimidin-1(6H)-yl)benzoate (CAS 355390-19-1)
- (2,3-Dimethyl-6-(trifluoromethyl)imidazo[2,1-b]thiazol-5-yl)methanol (CAS 1823510-54-8)
- 2-Cyano-N-(3-methoxyphenyl)-3-(pyridin-3-yl)propanamide (CAS 483359-54-2)
- 1-([1,1'-Biphenyl]-4-yl)-N-((tetrahydrofuran-2-yl)methyl)methanamine hydrochloride (CAS 1048640-41-0)
- 2-([1,2,4]Triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-5-aminophenol (CAS 1030536-88-9)
- 5-Bromo-2-(2,2,2-trifluoroethyl)pyridazin-3(2h)-one (CAS 1936472-59-1)
- 1-Cyclohexyl-2,2-dimethylpropan-1-ol (CAS 15972-13-1)
- Methyl 5-methoxy-1h-pyrrolo[2,3-b]pyridine-2-carboxylate (CAS 1260385-39-4)
- 3-Fluoro-4-(hydroxymethyl)phenylboronic Acid Pinacol Ester (CAS 1082066-29-2)
- Di(thiophen-2-yl)phosphinicacid (CAS 5849-47-8)
- Cholecystokinin Octapeptide (desulfated) (H-2070.0005) (CAS 198483-36-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com