3,4-Difluoro-2-trifluoromethyl-bromobenzene CAS 1242339-23-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1242339-23-6 |
| Molecular Formula | C7H2BrF5 |
| Molecular Weight | 260.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Difluoro-2-trifluoromethyl-bromobenzene (CAS 1242339-23-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H2BrF5. Molecular weight: 260.99 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H2BrF5 |
| Molecular Weight | 260.99 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 |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Br-containing |
Related Difluoro Standards
- 3,5-Difluoro-4-trifluoromethylbromobenzene (CAS 156243-64-0)
- Methyl 2,2-difluoro-6-nitro-1,3-dioxaindane-5-carboxylate (CAS 1260505-37-0)
- 2,2-Difluoro-4-methyl-6-nitrobenzo[d][1,3]dioxole-5-carboxylic acid (CAS 2451905-65-8)
- 3,3-Difluoro-1-(2,2,2-trifluoroacetyl)piperidine-2-carboxylic acid (CAS 1039364-78-7)
- Ethyl 2-(2,4-difluoro-5-nitrophenoxy)acetate (CAS 179011-36-0)
- ethyl 2,2-difluoro-2-(3-nitrophenoxy)acetate (CAS 383670-91-5)
- ethyl 2,2-difluoro-2-(4-nitrophenoxy)acetate (CAS 383670-74-4)
- Ethyl 2,2-difluoro-4,4-dihydroxy-4-pyridin-4-ylbutanoate (CAS 1706449-05-9)
Recommended Standards
- 1-Bromo-4,5-difluoro-2-(trifluoromethyl)benzene (CAS 112290-04-7)
- 2-Bromo-1,4-difluoro-3-(trifluoromethyl)benzene (CAS 1242339-93-0)
- 2,6-Dichloro-3-nitro-5-(trifluoromethyl)pyridine (CAS 111928-63-3)
- 2-Fluoro-n-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 2377607-34-4)
- 2-[3-(3-methylphenyl)-5-sulfanyl-4h-1,2,4-triazol-4-yl]acetic acid (CAS 854137-72-7)
- Ethyl ((3-nitrophenyl)sulfonyl)carbamate (CAS 22819-24-5)
- Obeticholic Acid Impurity 2 (CAS 915038-27-6)
- Boc-p-nitro-D-Phe-OH (CAS 61280-75-9)
- 2-(Aminooxy)butanoic acid (CAS 4385-95-9)
- Tirzepatide Impurity 45 (CAS CATO-C4X-324045)
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