5-(4-Chloro-2-fluorophenyl)-5-oxovaleric acid CAS 951889-56-8
| CAS No. | 951889-56-8 |
| Molecular Formula | C11H10ClFO3 |
| Molecular Weight | 244.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(4-Chloro-2-fluorophenyl)-5-oxovaleric acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-(4-Chloro-2-fluorophenyl)-5-oxovaleric acid (CAS 951889-56-8), a certified reference material (molecular formula C11H10ClFO3, MW 244.65 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H10ClFO3, 5-(4-Chloro-2-fluorophenyl)-5-oxovaleric acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(4-Chloro-2-fluorophenyl)-5-oxovaleric acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H10ClFO3 |
| Molecular Weight | 244.65 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 3-Chloro-4-ethoxy-5-fluorocinnamic acid (CAS 1017779-08-6)
- 2-Chloro-6-methoxy-4-nitrobenzo[d]thiazole (CAS 1188227-45-3)
- Methyl 4-(4-chloro-3-fluorophenyl)-4-oxobutanoate (CAS 1247500-98-6)
- Ethyl 3-(3-chloro-5-fluorophenyl)-3-oxopropanoate (CAS 1260763-41-4)
- Ethyl 3-(4-chloro-3-fluorophenyl)-3-oxopropanoate (CAS 1260808-42-1)
- (E)-3-(4-chloro-3-ethoxy-2-fluorophenyl)acrylic acid (CAS 1324063-26-4)
- 2-(4-Chloro-3-fluorophenyl)tetrahydrofuran-3-carboxylic acid (CAS 1341645-71-3)
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Recommended Standards
- 5-(3-Chloro-5-fluorophenyl)-5-oxovaleric acid (CAS 845790-48-9)
- 5-(4-Chloro-3-fluorophenyl)-5-oxovaleric acid (CAS 845790-44-5)
- 5-(3-Chloro-4-fluorophenyl)-5-oxopentanoic acid (CAS 845790-41-2)
- 7-Chloro-3-oxo-3,4-dihydro-2H-pyrido-[3,2-b][1,4]thiazine-6-carboxylic acid (CAS 577691-70-4)
- 1-(2-Amino-1-(4-bromophenyl)ethyl)pyrrolidine-3-carboxylic acid (CAS 886363-99-1)
- 4-(4-Methoxybenzoyl)-1H-pyrrole-2-carboxamide (CAS 478259-69-7)
- (6-Amino-4-(difluoromethyl)-5-(trifluoromethyl)pyridin-3-yl)methanol (CAS 1805381-65-0)
- tert-Butyl (20-hydroxy-3,6,9,12,15,18-hexaoxaicosyl)(methyl)carbamate (CAS 2874309-76-7)
- 6-(Benzyloxy)-3-methyl-1H-indole (CAS 92962-50-0)
- 4-Chloro-3-cyclopropoxy-2-methylpyridine (CAS 1243392-92-8)
- 2-((2-Fluorophenyl)sulfonyl)-1-(p-tolyl)ethan-1-one (CAS 1326894-41-0)
- (Z)-2-(4-chlorophenyl)-3-(3-nitrophenyl)acrylonitrile (CAS 104089-72-7)
- 4-trans-Propylcyclohexyl-4'-pentylbiphenyl (CAS 89356-09-2)
- Pancreatic Polypeptide (rat) (CAS 90419-12-8)
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