2,5-dibromo-3,4-dihydroxybenzaldehyde CAS 70625-28-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70625-28-4 |
| Molecular Formula | C7H4Br2O3 |
| Molecular Weight | 295.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-dibromo-3,4-dihydroxybenzaldehyde (CAS 70625-28-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4Br2O3. Molecular weight: 295.91 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4Br2O3 |
| Molecular Weight | 295.91 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Br-containing |
Related dibromo Standards
- 2,5-Dibromo-4-hydroxybenzoic acid (CAS 101421-19-6)
- 3,5-Dibromo-2,4-dihydroxybenzaldehyde (CAS 116096-91-4)
- 2,3-Dibromo-4,5-dihydroxybenzaldehyde (CAS 14045-41-1)
- 2,4-Dibromo-5-hydroxybenzoic Acid (CAS 14348-39-1)
- 2,4-Dibromo-6-hydroxybenzoic acid (CAS 1666-27-9)
- 2,6-Dibromo-4-hydroxybenzoic acid (CAS 1935194-66-3)
- 2,4-Dibromo-3-hydroxybenzoic Acid (CAS 91659-00-6)
- 3,5-Dibromo-4-Hydroxybenzoic Acid (CAS 3337-62-0)
Recommended Standards
- 3,5-Dibromosalicylic Acid (CAS 3147-55-5)
- Methyl 3,5-dibromopyrazine-2-carboxylate (CAS 1035818-91-7)
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- 2-(Difluoromethyl)-4-hydroxypyridine-3-carboxaldehyde (CAS 1806777-86-5)
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- Ruxolitinib Impurity 233 (CAS CATO-C4X-2058233)
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