4-Chloro-5-(trifluoromethyl)phthalic acid CAS 1301739-50-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1301739-50-3 |
| Molecular Formula | C9H4ClF3O4 |
| Molecular Weight | 268.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-5-(trifluoromethyl)phthalic acid (CAS 1301739-50-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H4ClF3O4. Molecular weight: 268.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H4ClF3O4 |
| Molecular Weight | 268.57 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.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
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Recommended Standards
- 4-Bromo-1-chloro-2-(S-methylsulfonimidoyl)benzene (CAS 2845282-91-7)
- n-[(4-bromothiophen-2-yl)methyl]-2-chloroacetamide (CAS 1269151-62-3)
- N-Ethyl-2-(2,4,6-trichlorophenoxy)ethanamine (CAS 99914-37-1)
- 3-{[(Prop-2-en-1-yl)amino]methyl}phenol hydrochloride (CAS 1240581-92-3)
- 4-(1H-Pyrazol-4-yl)morpholine (CAS 1638764-62-1)
- (6-Methylpyridin-3-yl)boronic acid hydrochloride (CAS 2096333-73-0)
- Z-Asp(OtBu)-OSu (CAS 3338-32-7)
- 2,5-Thiophenedicarboxylic acid dimethyl ester (CAS 4282-34-2)
- Imidapril Impurity N1 (CAS 120294-09-9)
- ((Cys31,Nva34)-Neuropeptide Y (27-36))2 (CAS 172997-92-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com