2-Chloro-5-hydroxybenzoic acid CAS 56961-30-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56961-30-9 |
| Molecular Formula | C7H5ClO3 |
| Molecular Weight | 172.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Chloro-5-hydroxybenzoic acid (CAS 56961-30-9) pharmaceutical standards reference standard. Molecular formula: C7H5ClO3. Molecular weight: 172.57 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H5ClO3 |
| Molecular Weight | 172.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1973 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 3-Chloro-5-methyl-2-nitropyridine (CAS 1210909-07-1)
- 6-Chloro-3-methyl-2-nitropyridine (CAS 1211516-41-4)
- 6-Chloro-5-methyl-3-pyridazinecarboxylic acid (CAS 1211516-60-7)
- 6-Chloro-N-hydroxypyridine-2-carboxamide (CAS 125309-38-8)
- Methyl 5-chloro-3-pyridazinecarboxylate (CAS 1256786-31-8)
- 6-Chloro-N-hydroxynicotinamide (CAS 1263094-64-9)
- 5-Chloro-N-hydroxypicolinamide (CAS 1289026-43-2)
- 6-Chloro-2-methylpyrimidine-4-carboxylic acid (CAS 136518-06-4)
Recommended Standards
- 2-Chloro-4-methyl-5-nitropyridine (CAS 23056-33-9)
- 2-Chloro-5-methyl-3-nitropyridine (CAS 23056-40-8)
- 2-Chloro-4-methyl-3-nitropyridine (CAS 23056-39-5)
- 3-(2-Methoxyphenyl)-5-methyl-4,5-dihydroisoxazole-5-carboxylic acid (CAS 878427-14-6)
- H-Leu-OtBu · HCl (CAS 2748-02-9)
- (5-amino-1,3-benzoxazol-2-yl)methanol (CAS 948306-37-4)
- (1E)-2-(sec-butylamino)-2-methylpropanal oxime 108302-58-5 (CAS 108302-58-5)
- 4-Cyano-2-(difluoromethyl)-3-nitropyridine-5-acetic acid (CAS 1807123-45-0)
- 1-Cyclopropyl-2-methyl-4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridine (CAS 1341418-85-6)
- (Des-Bromo)-Neuropeptide B (1-23) (human) (CAS 434897-64-0)
Why CATO?
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