5-(5-Fluoro-2-methylphenyl)-3-methyl-5-oxopentanoic acid CAS 951885-07-7
| CAS No. | 951885-07-7 |
| Molecular Formula | C13H15FO3 |
| Molecular Weight | 238.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(5-Fluoro-2-methylphenyl)-3-methyl-5-oxopentanoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(5-Fluoro-2-methylphenyl)-3-methyl-5-oxopentanoic acid (CAS 951885-07-7) is a high-purity analytical reference standard with the molecular formula C13H15FO3 and a molecular weight of 238.25 g/mol.
Based on its molecular formula C13H15FO3, 5-(5-Fluoro-2-methylphenyl)-3-methyl-5-oxopentanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-(5-Fluoro-2-methylphenyl)-3-methyl-5-oxopentanoic 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 | C13H15FO3 |
| Molecular Weight | 238.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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-containing |
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Recommended Standards
- 5-(4-Fluoro-3-methylphenyl)-3-methyl-5-oxopentanoic acid (CAS 951885-13-5)
- 6-(Quinolin-5-yl)-1,3,5-triazine-2,4-diamine (CAS 870284-22-3)
- 5-(3-Fluoro-2-methylphenyl)-3-methyl-5-oxovaleric acid (CAS 951885-01-1)
- 7-(2-Fluorophenyl)-7-oxoheptanoic acid (CAS 898766-55-7)
- 4-(4-Fluorophenyl)but-3-yn-2-amine (CAS 1602914-48-6)
- 3-Ethyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 66366-98-1)
- 1-Cycloheptyl-3-(1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea (CAS 894028-14-9)
- tert-Butyl 3-(hydroxymethyl)piperidine-1-carboxylate (CAS 116574-71-1)
- 1-(Pyridin-3-ylmethyl)-1H-indole-3-carbaldehyde (CAS 928708-60-5)
- 1-(2,3-difluorobenzyl)piperazine,HCl (CAS 510725-56-1)
- 5-Methyl-6-propoxypyridin-3-ol (CAS 1881294-97-8)
- Methyl 6-(1,3-dioxoisoindolin-2-yl)hexanoate (CAS 5683-12-5)
- 2-((2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)thio)-6-phenyl-4-(trifluoromethyl)nicotinonitrile (CAS 625377-15-3)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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