2-Chloro-9,10-dihydro-9,10-[1,2]benzenoanthracene CAS 20711-99-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20711-99-3 |
| Molecular Formula | C20H13Cl |
| Molecular Weight | 288.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Chloro-9,10-dihydro-9,10-[1,2]benzenoanthracene (CAS 20711-99-3) pharmaceutical standards reference standard. Molecular formula: C20H13Cl. Molecular weight: 288.77 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H13Cl |
| Molecular Weight | 288.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
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- 1-(1-Ethyl-1H-indol-3-yl)-3-(pyridin-2-ylmethyl)urea (CAS 899753-79-8)
- 2-(Difluoromethyl)-6-iodo-4-nitro-3-(trifluoromethyl)pyridine (CAS 1805517-64-9)
- 8-((3,4-Dihydroisoquinolin-2(1H)-yl)sulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (CAS 1291486-86-6)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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