4-Chloro-3,5-difluorophenol CAS 2268-03-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2268-03-3 |
| Molecular Formula | C6H3ClF2O |
| Molecular Weight | 164.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3,5-difluorophenol (CAS 2268-03-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3ClF2O. Molecular weight: 164.54 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3ClF2O |
| Molecular Weight | 164.54 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 2-Chloro-3,4-difluorophenol (CAS 1159512-40-9)
- 2-Chloro-4-(difluoromethyl)pyrimidine (CAS 1261629-31-5)
- 4-Chloro-2,3-difluorophenol (CAS 1261634-63-2)
- 4-Chloro-6-(difluoromethyl)pyrimidine (CAS 1261737-05-6)
- 2-Chloro-5-(difluoromethyl)pyrimidine (CAS 1261869-28-6)
- 4-Chloro-2,6-difluorophenol (CAS 164790-68-5)
- 6-Chloro-2,3-difluorophenol (CAS 186590-18-1)
- 5-Chloro-3,6-difluoropyridin-2-amine (CAS 189281-75-2)
Recommended Standards
- 4-Chloro-2,5-difluorophenol (CAS 2268-02-2)
- 4-Chloro-3,5-difluoropyridin-2-amine (CAS 2738980-88-4)
- 3-Chloro-2,6-difluoropyridin-4-amine (CAS 405230-78-6)
- (3,4-Dichlorophenyl)(2-(phenylamino)thiazol-5-yl)methanone (CAS 339008-00-3)
- tert-Butyl (4-bromo-2,3-dihydro-1H-inden-1-yl)carbamate (CAS 2167214-26-6)
- 1-(4-Chloro-2-methoxy-5-methylphenyl)-5-ethyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1329800-36-3)
- 2,6-Dichloro-N-(1-methyl-1H-imidazol-4-yl)pyrimidin-4-amine (CAS 1208893-80-4)
- Sitagliptin Impurity 2 (CAS 769195-20-2)
- (E)-3-(2-fluoro-6-hydroxyphenyl)acrylic acid (CAS 1519726-23-8)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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