3-(1,1-Difluoroethyl)-4-fluorobenzoic acid CAS 1253789-91-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1253789-91-1 |
| Molecular Formula | C9H7F3O2 |
| Molecular Weight | 204.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(1,1-Difluoroethyl)-4-fluorobenzoic acid (CAS 1253789-91-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7F3O2. Molecular weight: 204.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7F3O2 |
| Molecular Weight | 204.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1990 |
| Halogen Content | F-containing |
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Recommended Standards
- 2,2-Difluoro-2-(2-fluoro-5-methylphenyl)acetic acid (CAS 1249440-96-7)
- Methyl 2,2-difluoro-2-(4-fluorophenyl)acetate (CAS 125923-59-3)
- 2,2-Difluoro-2-(4-fluoro-3-methylphenyl)acetic Acid (CAS 1249162-93-3)
- (S)-2-(3-Methylpyrrolidin-1-yl)ethan-1-ol (CAS 831197-10-5)
- N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(2-hydroxyethyl)-N-methyl-L-serine (CAS 2255322-15-5)
- Tris(2-cyclohexylethyl)(octadecyl)silane (CAS 200618-76-4)
- 5-(4-fluorophenyl)pentanamide (CAS 1798712-33-0)
- 2,3,4,5-Tetrachloro-6-(2,4-dichlorophenoxy)aniline (CAS 64630-65-5)
- tert-butyl 5-bromo-1,2,3,4-tetrahydropyridine-1-carboxylate (CAS 1622840-55-4)
- C-Peptide 1 (rat) (CAS 41475-27-8)
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