5,6-Dihydro-4H-cyclopenta[b]thiophene-2-carbonylchloride CAS 142329-25-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 142329-25-7 |
| Molecular Formula | C8H7ClOS |
| Molecular Weight | 186.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
5,6-Dihydro-4H-cyclopenta[b]thiophene-2-carbonylchloride (CAS 142329-25-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7ClOS. Molecular weight: 186.66 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7ClOS |
| Molecular Weight | 186.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 1-Methyl-2,3-dihydro-[1,1-biphenyl]-4(1H)-one (CAS 17429-36-6)
- 3',4'-Dihydro-2'H-spiro[cyclobutane-1,1'-naphthalen]-2-one (CAS 42436-99-7)
- (5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)methanesulfinic acid (CAS 2385217-55-8)
- 2,3-Dihydro-5-(2-hydroxyethyl)-6-methyl-2-thioxo-4(1H)-pyrimidinone (CAS 21585-16-0)
- 2,3-Dihydro-1H-cyclopenta[b]quinoxalin-5-ol (CAS 116055-54-0)
- 3,4-Dihydro-2H-[1,4]oxazino[3,2-c]quinoline (CAS 1198154-31-2)
- 3-(4,5-dihydro-1h-imidazol-2-yl)-1h-indazole (CAS 1221722-78-6)
- 2,3-Dihydro-1H-pyrido[3,4-b][1,4]oxazine-8-carboxylic acid (CAS 1228665-92-6)
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 13829788188 / jacky.chen@cato-chem.com