3-Chloro-4-fluoro-DL-phenylalanine CAS 7731-00-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7731-00-2 |
| Molecular Formula | C9H9ClFNO2 |
| Molecular Weight | 217.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-4-fluoro-DL-phenylalanine (CAS 7731-00-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9ClFNO2. Molecular weight: 217.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H9ClFNO2 |
| Molecular Weight | 217.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1959 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-chloro-2-hydrazinyl-5-(trifluoromethyl)pyridine (CAS 89570-82-1)
- 3-Chloro-4-fluoro-N-methoxy-N-methylbenzamide (CAS 478187-44-9)
- 3-Amino-3-(5-chloro-2-fluorophenyl)propanoic acid (CAS 773118-68-6)
- 3-(Trifluoromethyl)-1h-pyrazole-4-sulfonyl chloride (CAS 1443292-13-4)
- (3-Formyl-2-methoxyphenyl)boronic Acid (CAS 480424-49-5)
- 4-(Chloromethyl)-2-((4-chlorophenoxy)methyl)thiazole hydrochloride (CAS 1171641-22-7)
- 2-Chloro-4-(imidazol-1-yl)benzoic acid (CAS 1343201-44-4)
- 1-Cyclopropyloctane-1,3-dione (CAS 1094221-15-4)
- Methyl 3-[(cyclohexylamino)sulfonyl]thiophene-2-carboxylate (CAS 946742-04-7)
- Semaglutide impurity 38 (CAS CATO-C4X-222638)
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