(3,5-Dibromo-2-hydroxyphenyl)acetic acid CAS 21891-69-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21891-69-0 |
| Molecular Formula | C8H6Br2O3 |
| Molecular Weight | 309.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3,5-Dibromo-2-hydroxyphenyl)acetic acid (CAS 21891-69-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H6Br2O3. Molecular weight: 309.94 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H6Br2O3 |
| Molecular Weight | 309.94 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 |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1963 |
| Halogen Content | Br-containing |
Related Dibromo Standards
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- 4,6-Dibromo-3-methyl-2-nitroaniline (CAS 1326310-78-4)
- Methyl 2,6-dibromo-4-hydroxybenzoate (CAS 176372-55-7)
Recommended Standards
- Methyl 5-amino-4,6-dibromopicolinate (CAS 1935587-27-1)
- 1-(3,5-Dibromo-2,4-dihydroxyphenyl)ethan-1-one (CAS 36772-98-2)
- 4,5-Dibromo-2-(2-oxopropyl)-2,3-dihydropyridazin-3-one (CAS 186792-10-9)
- 3-(5-Carboxypentyl)-1,1,2-trimethyl-1H-benzo[e]indol-3-ium iodide (CAS 870995-55-4)
- 4,4'-Methylenebis(2-ethyl-3-methylaniline) (CAS 1632285-94-9)
- Ethyl 5-(tert-butyl)-2-methylfuran-3-carboxylate (CAS 38453-94-0)
- 1-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)-2-(methylamino)ethan-1-one (CAS 900640-78-0)
- 6-Fluoro-3-methylimidazo[1,2-a]pyridine (CAS 1552499-10-1)
- 5-Cyclopropylpyridazin-4-amine (CAS 1494041-13-2)
- [His]1-Acetylated Semaglutide (CAS CATO-C4X-2226219)
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