(R)-3-(3-chloro-2-fluorophenyl)-4,5-dihydroisoxazole-5-carboxylic acid CAS 1629981-48-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1629981-48-1 |
| Molecular Formula | C10H7ClFNO3 |
| Molecular Weight | 243.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (R)-3-(3-chloro-2-fluorophenyl)-4,5-dihydroisoxazole-5-carboxylic acid (CAS 1629981-48-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7ClFNO3. Molecular weight: 243.62 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H7ClFNO3 |
| Molecular Weight | 243.62 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related R Standards
- 3-(3-Chloro-2-fluorophenyl)-4,5-dihydroisoxazole-5-carboxylic acid (CAS 1422386-61-5)
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- 4-((3-Chloro-4-fluorophenyl)amino)-4-oxobut-2-enoic acid (CAS 196804-60-1)
- 3-(2-Chloro-6-fluorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 712347-12-1)
- 3-(3-Chloro-2-fluorophenyl)-2,5-dihydroisoxazole-5-carboxylic acid (CAS 2068150-95-6)
- 3-[(3-chloro-4-fluorophenyl)carbamoyl]prop-2-enoic acid (CAS 929697-64-3)
- Ethyl 2-chloro-4-fluoro-5-isocyanatobenzoate (CAS 91151-66-5)
Recommended Standards
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- 4-(Difluoromethyl)-6-hydroxypyridine-2-sulfonyl chloride (CAS 1804702-30-4)
- 2-tert-Butyloxycarbonylaminomethyl-5-thiophen-2-yl-[1,3,4]oxadiazole (CAS 1053656-68-0)
- 1-(Pyridine-4-carbonyl)-1,4-diazepane (CAS 199938-61-9)
- 3-(3-Phenylprop-2-enamido)propanoic acid (CAS 302345-89-7)
- Methyl 7-bromo-9H-pyrido[3,4-b]indole-1-carboxylate (CAS 2119612-79-0)
- 3,6-Dichloro-N-isopropyl-2-methoxybenzamide (CAS 301680-10-4)
- 3-Fluoro-4-methoxy-2-(methylthio)benzaldehyde (CAS 2586126-84-1)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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