2-Chloro-1,4-dihydroxyanthracene-9,10-dione CAS 81-53-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81-53-8 |
| Molecular Formula | C14H7ClO4 |
| Molecular Weight | 274.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1,4-dihydroxyanthracene-9,10-dione (CAS 81-53-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H7ClO4. Molecular weight: 274.66 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H7ClO4 |
| Molecular Weight | 274.66 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 2-(4-Chlorophenyl)-5-nitrobenzo[d]oxazole (CAS 962-25-4)
- 3-(Benzo[d][1,3]dioxol-5-yl)-6-chloro-[1,2,4]triazolo[4,3-b]pyridazine (CAS 448190-45-2)
- 3-(5-Chloropyridin-3-yl)-5-nitro-1H-indazole (CAS 1356088-13-5)
- 9,10-Dihydroanthracen-9-amine (CAS 97825-91-7)
- 2-(2-cyclohexylethyl)pyrrolidine (CAS 383127-76-2)
- (R)-1-(3-fluoro-4-(trifluoromethoxy)phenyl)pentan-1-amine (CAS 1272732-83-8)
- Cicloprolol (CAS 94651-09-9)
- 2-Bromo-N-((2-(2,3-dimethylphenyl)benzo[d]oxazol-5-yl)carbamothioyl)benzamide (CAS 590396-68-2)
- 2-Propenoic acid, polymer with N-(butoxymethyl)-2-propenamide, ethenylbenzene and ethyl 2-propenoate (CAS 51749-41-8)
- Serpent Peptide (CAS 823202-99-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com