4-Chloro-2-fluoro-5-hydroxybenzoic acid CAS 91659-14-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91659-14-2 |
| Molecular Formula | C7H4ClFO3 |
| Molecular Weight | 190.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-fluoro-5-hydroxybenzoic acid (CAS 91659-14-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H4ClFO3. Molecular weight: 190.56 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H4ClFO3 |
| Molecular Weight | 190.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1983 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 2-Chloro-5-fluoro-4-methyl-3-nitropyridine (CAS 1003711-51-0)
- 5-Chloro-4-fluoro-2-nitroaniline (CAS 104222-34-6)
- 3-Chloro-4-fluoro-2-nitroaniline (CAS 1059081-23-0)
- 5-Chloro-3-fluoro-2-nitroaniline (CAS 1352457-23-8)
- 2-Chloro-5-fluoro-4-hydroxybenzoic acid (CAS 1394954-06-3)
- 2-Chloro-4-fluoro-5-nitroaniline (CAS 139626-20-3)
- Methyl 2-Chloro-5-fluoropyrimidine-4-carboxylate (CAS 1404364-32-4)
- 4-Chloro-2-fluoro-6-nitroaniline (CAS 1482558-25-7)
Recommended Standards
- 4-CHloro-2-fluoro-3-nitro-phenylamine (CAS 2090607-05-7)
- 4-Chloro-2-fluoro-5-nitroaniline (CAS 86988-02-5)
- 4-Amino-6-chloro-5-fluoronicotinic acid (CAS 2454491-15-5)
- 5-Cyclopropoxy-N2,N3-dimethylpyridine-2,3-dicarboxamide (CAS 1243317-69-2)
- 2-(((1-Acetylpiperidin-2-yl)methyl)amino)acetic acid (CAS 1353971-79-5)
- Amorolfine Impurity 41 (CAS 5445-77-2)
- 1,2-Dichloro-3-iodo-4,5,6-trifluorobenzene (CAS 1803823-57-5)
- 2-Bromo-6-[(1E)-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-ylidene}methyl]-4-methoxyphenol (CAS 477848-03-6)
- 2-(2-Phenoxyphenyl)ethanol (CAS 1030829-49-2)
- Tirzepatide Impurity 50 (CAS CATO-C4X-324050)
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