Bis(3,5-difluorophenyl)methanone CAS 139911-09-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 139911-09-4 |
| Molecular Formula | C13H6F4O |
| Molecular Weight | 254.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Bis(3,5-difluorophenyl)methanone (CAS 139911-09-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H6F4O. Molecular weight: 254.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H6F4O |
| Molecular Weight | 254.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
Related Bis Standards
- (2,4-Difluorophenyl)(3,5-difluorophenyl)methanone (CAS 1096971-71-9)
- (2,4-Difluorophenyl)(3,4-difluorophenyl)methanone (CAS 1097034-16-6)
- (3,4-Difluorophenyl)(3,5-difluorophenyl)methanone (CAS 746651-92-3)
- ethyl 5-(2,6-difluorophenyl)-1,3,4-oxadiazole-2-carboxylate (CAS 1707637-40-8)
- 3-(3-(2,6-Difluorophenyl)-1,2,4-oxadiazol-5-yl)propanoic acid (CAS 1708168-40-4)
- 3-(2,6-Difluorophenyl)-4,4,4-trifluorobutanoic acid (CAS 1272852-70-6)
- 3-(2,4-Difluorophenyl)-4,4,4-trifluorobutanoic acid (CAS 1369410-09-2)
- 3-(2,3-Difluorophenyl)-4,4,4-trifluorobutanoic acid (CAS 1409707-29-4)
Recommended Standards
- Phospho-L-arginine trisodium salt (CAS 1189-11-3)
- 5-(Methoxycarbonyl)-4-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 1400661-81-5)
- 3,3,4,4-Tetrafluorobenzophenone (CAS 117320-03-3)
- tert-Butyl (1H-benzo[d]imidazol-2-yl)carbamate (CAS 77474-99-8)
- Fmoc-Tyr(tBu)-Thr(Psi(Me,Me)pro)-OH (CAS 920519-31-9)
- 5-(cyclopentylmethyl)-4H-1,2,4-triazole-3-thiol (CAS 923231-84-9)
- 4,4-Dimethyl-N-(thiophen-2-ylmethyl)cyclohexan-1-amine (CAS 1343445-04-4)
- 4,4-Dinitrostilbene (CAS 736-31-2)
- 1,9-Dioxaspiro[5.5]undecan-4-ylmethanol (CAS 1517862-80-4)
- ([D?]Val?·1?)-C-Peptide (human) (CAS 1802078-41-6)
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