2-Bromo-8-hydroxynaphthalene-1,4-dione CAS 52431-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 52431-65-9 |
| Molecular Formula | C10H5BrO3 |
| Molecular Weight | 253.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-8-hydroxynaphthalene-1,4-dione (CAS 52431-65-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H5BrO3. Molecular weight: 253.05 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H5BrO3 |
| Molecular Weight | 253.05 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 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.) | 1971 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 6-Bromo-1,8-naphthyridine-3-carboxylic acid (CAS 1105191-97-6)
- 2-Bromo-5-nitroquinoline (CAS 116632-28-1)
- 3-Bromo-5-nitroquinoline (CAS 116632-33-8)
- 8-Bromo-6-nitroquinoline (CAS 120287-30-1)
- 2-Bromo-3-hydroxynaphthalene-1,4-dione (CAS 1203-39-0)
- 5-Bromo-1-nitroisoquinoline (CAS 1217440-57-7)
- 6-Bromo-4-oxo-3,4-dihydroquinazoline-2-carbaldehyde (CAS 1260898-14-3)
- 7-Bromo-5-nitroisoquinoline (CAS 1368385-65-2)
Recommended Standards
- 2-Bromo-5-hydroxynaphthalene-1,4-dione (CAS 69008-03-3)
- 3-(2-Bromophenyl)-1,2,4-oxadiazole-5-carbaldehyde (CAS 944906-26-7)
- 2-Bromo-4-nitroquinoline (CAS 20146-63-8)
- 5-(1-Butylpiperidin-2-yl)-4-methylpyridin-2(1H)-one (CAS 1352528-36-9)
- Tos-Gly-Pro-Lys-AMC (CAS 128202-25-5)
- tert-Butyl (5-cyanothiophen-2-yl)carbamate (CAS 603130-87-6)
- 2-(6-Methoxypyridazin-3-yl)quinoline (CAS 946155-88-0)
- 2,2-diureidomalonic acid 508-37-2 (CAS 508-37-2)
- 9,10-Bis[3-methylphenyl]anthracene (CAS 43217-32-9)
- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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