5-Chloro-2-fluoro-4-methoxybenzoic acid CAS 211172-72-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 211172-72-4 |
| Molecular Formula | C8H6ClFO3 |
| Molecular Weight | 204.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-2-fluoro-4-methoxybenzoic acid (CAS 211172-72-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H6ClFO3. Molecular weight: 204.58 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H6ClFO3 |
| Molecular Weight | 204.58 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 |
| 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.) | 2017 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 2-Chloro-4-fluoro-3-methoxybenzoic acid (CAS 1055968-55-2)
- 4-Chloro-2-fluoro-6-methoxybenzoic acid (CAS 1082042-25-8)
- 4-Chloro-2-fluoro-3-methoxybenzoic acid (CAS 1169870-80-7)
- 2-(2-Chloro-3-fluorophenyl)-2-hydroxyacetic acid (CAS 1214345-50-2)
- 4-Chloro-2-fluoromandelic Acid (CAS 1214345-56-8)
- 2-(5-Chloro-2-fluorophenyl)-2-hydroxyacetic acid (CAS 1214345-65-9)
- 2-(4-Chloro-3-fluorophenyl)-2-hydroxyacetic acid (CAS 1214376-99-4)
- 2-(3-Chloro-4-fluorophenyl)-2-hydroxyacetic acid (CAS 1214377-83-9)
Recommended Standards
- 3-Chloro-5-fluoro-4-methoxybenzoic acid (CAS 886497-22-9)
- 6-Chloro-2-fluoro-3-methoxybenzoic acid (CAS 886499-58-7)
- 3-chloro-2-fluoro-5-methoxybenzoic acid (CAS 879541-47-6)
- 2-(1-Methyl-piperidin-3-yl)-ethylamine hydrochloride (CAS 1361112-81-3)
- (E)-N-(((2,4-dichlorobenzyl)oxy)carbamoyl)-N'-methoxyformimidamide (CAS 338395-17-8)
- 3-(Piperidin-4-yl)-6-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1283418-07-4)
- 2,3-Diiodo-5-azaindole (CAS 1427502-94-0)
- 2-(3-(Pyrazin-2-yl)-1H-pyrazol-1-yl)ethan-1-amine (CAS 2092548-70-2)
- 7-oxaspiro[3.5]nonan-2-ylmethanol (CAS 1896810-74-4)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com