2-(Difluoromethyl)-5-fluoro-1H-benzo[d]imidazole CAS 1240034-66-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1240034-66-5 |
| Molecular Formula | C8H5F3N2 |
| Molecular Weight | 186.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Difluoromethyl)-5-fluoro-1H-benzo[d]imidazole (CAS 1240034-66-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5F3N2. Molecular weight: 186.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5F3N2 |
| Molecular Weight | 186.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoromethyl Standards
- 3-(Difluoromethyl)-5-fluoro-4-methylpicolinonitrile (CAS 1804484-83-0)
- 2-(4-(Difluoromethyl)-6-fluoropyridin-3-yl)acetonitrile (CAS 1804705-04-1)
- 2-(4-(Difluoromethyl)-5-fluoropyridin-2-yl)acetonitrile (CAS 1804755-55-2)
- 2-(4-(Difluoromethyl)-5-fluoropyridin-3-yl)acetonitrile (CAS 1805006-52-3)
- 2-(4-(Difluoromethyl)-6-fluoropyridin-2-yl)acetonitrile (CAS 1805034-10-9)
- 4-(Difluoromethyl)-5-(fluoromethyl)picolinonitrile (CAS 1805203-99-9)
- 5-(Difluoromethyl)-4-(fluoromethyl)picolinonitrile (CAS 1805204-01-6)
- 2-(4-(Difluoromethyl)-2-fluoropyridin-3-yl)acetonitrile (CAS 1805224-68-3)
Recommended Standards
- 2-(2-(Trifluoromethyl)pyridin-4-yl)acetonitrile (CAS 1227591-90-3)
- 2-Methyl-2-(2,2,2-trifluoroethoxy)propanoic acid (CAS 1247389-44-1)
- 4-(Trifluoromethyl)pyridine-3-acetonitrile (CAS 1227514-93-3)
- 2-(3,4-Difluorophenyl)morpholine (CAS 1097797-38-0)
- Massonianoside B (CAS 188300-19-8)
- Palbociclib Impurity 51 (CAS CATO-C4X-112551)
- 1-(2-Bromo-5-chlorobenzyl)-1H-pyrazol-4-ol (CAS 1880489-47-3)
- Mitoxantrone Impurity 26 (CAS CATO-C4X-103426)
- (R)-3,3'-Bis([1,1'-biphenyl]-4-yl)-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol (CAS 878049-66-2)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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