2,4,7-Trichloro-9H-fluoren-9-one CAS 1785-27-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1785-27-9 |
| Molecular Formula | C13H5Cl3O |
| Molecular Weight | 283.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4,7-Trichloro-9H-fluoren-9-one (CAS 1785-27-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H5Cl3O. Molecular weight: 283.54 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H5Cl3O |
| Molecular Weight | 283.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 4-Chloro-5-(3,4-dichlorophenyl)nicotinonitrile (CAS 1707371-90-1)
- Ethyl 2-(2,4,6-trichlorophenoxy)acetate (CAS 14426-43-8)
- 1,4,7-Trichlorophenazine (CAS 6494-65-1)
- 3-Amino-N,N-dimethyl-3-phenylpropanamide (CAS 180264-38-4)
- 3 -O-tert-Butyl-2-deoxymugineic Acid tert-Butyl Diethyl Ester (CAS 958350-41-9)
- 1-(2-Fluorophenyl)-4-(3-nitropyridin-2-yl)piperazine (CAS 400088-84-8)
- S-1H-Benzo[d]imidazol-2-yl 2-((2-methoxyphenyl)amino)ethanethioate (CAS 83408-81-5)
- 2-(Difluoromethoxy)-3-nitro-5-(pyridin-4-yl)pyridine (CAS 1214390-87-0)
- (2-Amino-ethyl)-urea hydrochloride (CAS 858001-69-1)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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