5-(3-Chloro-4-fluorophenyl)-3-methyl-5-oxopentanoic acid CAS 845781-48-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 845781-48-8 |
| Molecular Formula | C12H12ClFO3 |
| Molecular Weight | 258.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Chloro-4-fluorophenyl)-3-methyl-5-oxopentanoic acid (CAS 845781-48-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12ClFO3. Molecular weight: 258.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H12ClFO3 |
| Molecular Weight | 258.67 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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 chloroform, dichloromethane, ethyl acetate, 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
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- Ethyl 4-(3-chloro-2-fluorophenyl)-3-oxobutanoate (CAS 1260896-31-8)
- Methyl 5-(4-chloro-3-fluorophenyl)-5-oxopentanoate (CAS 1443327-33-0)
- Methyl 5-(3-chloro-5-fluorophenyl)-5-oxopentanoate (CAS 1443333-35-4)
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Recommended Standards
- 4-chloro-6-methyl-2-(2,2,2-trifluoroethyl)pyrazolo[3,4-d]pyrimidine (CAS 2163771-92-2)
- 5-(3-Chloro-5-fluorophenyl)-3-methyl-5-oxopentanoic acid (CAS 845781-49-9)
- 4-(Chlorosulfonyl)benzenesulfonyl Fluoride (CAS 30672-72-1)
- 2-Cyano-N-{[(3,4-dichlorophenyl)carbamothioyl]amino}acetamide (CAS 656222-54-7)
- Safengol (CAS 15639-50-6)
- Tert-butyl 3-aminopicolinate (CAS 1379367-66-4)
- N-(3-Acetylphenyl)-[1,1'-biphenyl]-4-carboxamide (CAS 316138-75-7)
- 898769-48-7 Cyclohexyl(2,5-dichlorophenyl)methanone DTXSID80642609 (CAS 898769-48-7)
- 6-(Methylsulfonyl)nicotinaldehyde (CAS 1221792-08-0)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
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