3-Chloro-2H-benzo[h]chromen-2-one CAS 20875-73-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20875-73-4 |
| Molecular Formula | C13H7ClO2 |
| Molecular Weight | 230.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Chloro-2H-benzo[h]chromen-2-one (CAS 20875-73-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C13H7ClO2. Molecular weight: 230.65 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C13H7ClO2 |
| Molecular Weight | 230.65 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-4-(1h-pyrazol-1-yl)quinazoline (CAS 1017665-81-4)
- 7-Chloro-3-phenyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 1094425-37-2)
- 4-Chloro-2-phenyl-2H-pyrazolo[3,4-d]pyrimidine (CAS 1100365-43-2)
- 6-Chloro-2-(pyridin-3-yl)imidazo[1,2-b]pyridazine (CAS 1125406-92-9)
- 7-Chloro-2-phenyl-2H-pyrazolo[3,4-d]pyridazine (CAS 1181458-79-6)
- 7-Chloro-3-phenyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 1211588-84-9)
- Methyl 3-(4-chloro-1-ethyl-1H-pyrazol-3-yl)-3-oxopropanoate (CAS 1229623-87-3)
- 2-chloro-N-(2-methoxyethyl)-6-nitroaniline (CAS 1248015-82-8)
Recommended Standards
- 3,5-Diamino-N-(2-aminoethyl)-6-chloropyrazine-2-carboxamide (CAS 87663-03-4)
- 3-Chloro-n'-hydroxy-4,5-dimethoxybenzene-1-carboximidamide (CAS 926215-48-7)
- 3-(4-Chlorophenyl)-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 62051-99-4)
- Boc-Gly-Lys-Arg-AMC · HCl (CAS 133448-23-4)
- N-(3-Methoxybenzyl)oleamide (CAS CATO-CCPE901333)
- (2R,5S)-1-tert-Butyl 2-ethyl 5-(((benzyloxy)carbonyl)amino)piperidine-1,2-dicarboxylate (CAS 2518151-95-4)
- [3-(propan-2-yl)oxetan-3-yl]methanamine (CAS 1539197-30-2)
- 4-(Chloromethyl)-5-ethyl-1-(4-fluorophenyl)-1h-1,2,3-triazole (CAS 1338690-03-1)
- 5-Aminobenzo[d]thiazole-2(3H)-thione (CAS 52386-09-1)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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