4-Chloro-5-fluoro-2-hydroxybenzoic acid CAS 181289-00-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 181289-00-9 |
| Molecular Formula | C7H4ClFO3 |
| Molecular Weight | 190.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-5-fluoro-2-hydroxybenzoic acid (CAS 181289-00-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H4ClFO3. Molecular weight: 190.56 g/mol. Batch-specific COA and technical support are available on request.
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.) | 2008 |
| 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
- 3-Chloro-6-fluoro-2-hydroxybenzoic acid (CAS 1784624-98-1)
- Methyl 6-chloro-5-fluoropyrazine-2-carboxylate (CAS 1823378-45-5)
- 4-Chloro-3-fluoro-2-hydroxybenzoic acid (CAS 1702676-05-8)
- tert-Butyl (S)-2-(furan-2-ylmethyl)piperazine-1-carboxylate (CAS 1240585-99-2)
- 1-Bromo-4-(3-chloro-2-methylpropyl)benzene (CAS 89193-66-8)
- 2-(Benzyloxy)-5-bromobenzoyl chloride (CAS 1160249-51-3)
- Nilotinib Impurity 53 (CAS CATO-C4X-125653)
- 3-((2,6-Dichlorobenzyl)thio)-5-(trifluoromethyl)-4H-1,2,4-triazol-4-amine (CAS 686280-44-4)
- 3-Bromo-6-(trifluoromethoxy)pyridin-2-amine (CAS 1361852-29-0)
- TRAF6 Peptide trifluoroacetate salt (CAS 852805-92-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com