6-Chloro-4-hydroxy-3-nitro-2H-chromen-2-one CAS 24922-34-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 24922-34-7 |
| Molecular Formula | C9H4ClNO5 |
| Molecular Weight | 241.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-4-hydroxy-3-nitro-2H-chromen-2-one (CAS 24922-34-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H4ClNO5. Molecular weight: 241.58 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H4ClNO5 |
| Molecular Weight | 241.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- N1-(2,4-difluorophenyl)-2-chloro-2,2-difluoroacetamide (CAS 284664-78-4)
- 4-Chloro-5-methyliSoxazol-3-yl dimethyl phosphate (CAS 32306-32-4)
- 2-Chloro-N-(2,3,5,6-tetrafluorophenyl)acetamide (CAS 832675-11-3)
- 2-(3-Chlorophenyl)-1,3-thiazol-4-amine (CAS 1353856-02-6)
- 1,1-Difluorocyclopentane (CAS 1120-70-3)
- Ethyl 1-ethyl-4-nitro-1H-imidazole-2-carboxylate (CAS 683815-48-7)
- N-Cyclohexyl-2-methoxy-N-methylbenzamide (CAS 947935-14-0)
- Ombuin (CAS 529-40-8)
- tert-butyl N-{2-[(3-bromo-4-fluorophenyl)methyl]-3-hydroxypropyl}carbamate (CAS 1701620-38-3)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
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