2,3,4-Trifluoro-5-methylbenzoic acid CAS 65829-28-9
| CAS No. | 65829-28-9 |
| Molecular Formula | C8H5F3O2 |
| Molecular Weight | 190.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 190.12 g/mol gives 2,3,4-Trifluoro-5-methylbenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3,4-Trifluoro-5-methylbenzoic acid (CAS 65829-28-9) is a high-purity analytical reference standard with the molecular formula C8H5F3O2 and a molecular weight of 190.12 g/mol.
Based on its molecular formula C8H5F3O2, 2,3,4-Trifluoro-5-methylbenzoic 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 190.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H5F3O2 |
| Molecular Weight | 190.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1975 |
| Halogen Content | F-containing |
Related Trifluoro Standards
- 2,4,5-Trifluoro-3-methylbenzoic Acid (CAS 112822-85-2)
- 1,1,1-Trifluoro-3-(pyrazin-2-yl)propan-2-one (CAS 116655-36-8)
- 3,4,6-Trifluoro-2-methylbenzoic Acid (CAS 119916-22-2)
- 2,4,5-Trifluoro-3-methoxybenzaldehyde (CAS 1260679-12-6)
- 3,4,6-Trifluoro-2-methoxybenzaldehyde (CAS 1354960-83-0)
- 2,2,2-Trifluoro-N-(pyridin-3-yl)acetamide (CAS 14815-19-1)
- 2,4,6-Trifluoro-3-methylbenzoic acid (CAS 1706435-01-9)
- 2,3,4-Trifluoro-6-methoxybenzaldehyde (CAS 1785350-84-6)
Recommended Standards
- 2,2-Difluoro-2-(4-fluorophenyl)acetic Acid (CAS 94010-78-3)
- 2,3,4-Trifluorophenyl acetate (CAS 887267-51-8)
- 2,2,2-Trifluoro-N-4-pyridinyl-acetamide (CAS 77262-39-6)
- 2,3,4-Trifluorophenylacetic acid (CAS 243666-12-8)
- 3-cyclopentylazetidine hydrochloride (CAS 1803607-59-1)
- Ethylhexadecyldimethylammonium Bromide (CAS 124-03-8)
- Pancuronium Bromide Impurity 1 (CAS 85639-54-9)
- 1,2,4,5-Tetrachloro-3-methyl-6-nitrobenzene (CAS 22490-21-7)
- Potassium trifluoro(1-methyl-1H-indol-5-yl)borate (CAS 1242733-93-2)
- 2-Bromo-5-((4-methylpiperidin-1-yl)sulfonyl)pyridine (CAS 1216269-15-6)
- ethyl 2-[3-(methoxymethyl)-1,2,4-oxadiazol-5-yl]acetate (CAS 1423031-04-2)
- 2-((3-Cyano-6-(4-methoxyphenyl)-4-phenylpyridin-2-yl)thio)-N-(2,6-dimethylphenyl)acetamide (CAS 333341-80-3)
- 3,5-Dichloro-4-fluorobenzene-1,2-diamine (CAS 1702399-91-4)
- Akt/SKG Substrate Peptide (CAS 276680-69-4)
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