7H-Cyclopenta[1,2-b:4,3-b']dithiophen-7-one CAS 25796-72-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25796-72-9 |
| Molecular Formula | C9H4OS2 |
| Molecular Weight | 192.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7H-Cyclopenta[1,2-b:4,3-b']dithiophen-7-one (CAS 25796-72-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H4OS2. Molecular weight: 192.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H4OS2 |
| Molecular Weight | 192.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Sulfur Atoms | 2 |
Related H Standards
- 4H-Cyclopenta[1,2-b:5,4-b']dithiophen-4-one (CAS 25796-77-4)
- 4H-Cyclopenta[2,1-b:3,4-c']dithiophen-4-one (CAS 25796-80-9)
- 7H-Cyclopenta[1,2-b:3,4-b']dithiophen-7-one (CAS 25796-83-2)
- 7H-Cyclopenta[1,2-b:3,4-c']dithiophen-7-one (CAS 25959-73-3)
- 7H-Cyclopenta[1,2-c:3,4-c']dithiophen-7-one (CAS 25796-78-5)
- 1H-Cyclopenta[b]imidazo[4,5-g]indole (CAS 105790-42-9)
- Di(cyclopenta-1,3-dien-1-yl)dimethylsilane (CAS 18053-74-2)
- 1H-Cyclopenta[b]naphthalene-1,3(2H)-dione (CAS 22734-61-8)
Recommended Standards
- 7-Phenyl-1H-indene (CAS 78383-19-4)
- 6-Methyl-2-(piperidin-1-yl)pyrimidin-4-amine (CAS 91717-23-6)
- 7-sec-butyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyridin-4-one (CAS 2489784-35-0)
- Phthalimidinoglutarimide-C3-O-PEG2-C2-amine HCl (CAS 2138439-22-0)
- 2-Formamido-3-(tetrahydrofuran-2-yl)propanoic acid (CAS 1341756-93-1)
- 2,2-Dimethyl-4-oxo-3,8,11,16-tetraoxa-5-azaoctadecan-18-yl 4-methylbenzenesulfonate (CAS 2681390-45-2)
- 2-Chloro-5,6,7,8-tetrahydroquinolin-8-amine (CAS 558444-83-0)
- (E)-3-Amino-2-(1H-benzo[d]imidazol-2-yl)acrylonitrile (CAS 343570-02-5)
- 2-(Iodomethyl)-1,3-thiazole (CAS 1084328-48-2)
- Ginseng Tetrapeptide (CAS 178553-95-2)
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 13829788188 / jacky.chen@cato-chem.com