2,4-Difluorobenzonitrile CAS 3939-09-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 3939-09-1 |
| Molecular Formula | C7H3F2N |
| Molecular Weight | 139.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Difluorobenzonitrile (CAS 3939-09-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H3F2N. Molecular weight: 139.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H3F2N |
| Molecular Weight | 139.10 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| 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.) | 1958 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluorobenzonitrile Standards
- 2,6-Difluorobenzonitrile (CAS 1897-52-5)
- 2,5-Difluorobenzonitrile (CAS 64248-64-2)
- 3,4-Difluorobenzonitrile (CAS 64248-62-0)
- 3,5-Difluorobenzonitrile 5-CYANO-1,3-DIFLUOROBENZENE 64248-63-1 AS02656 LABOTEST-BB LT00847812 LABOTEST-BB LT03331949 PARAGOS 390210 (CAS 64248-63-1)
- 4-Acetyl-3,5-difluorobenzonitrile (CAS 1523144-23-1)
- 4-Acetyl-2,5-difluorobenzonitrile (CAS 198280-43-2)
Recommended Standards
- 4-Amino-6-oxo-1,6-dihydropyrimidine-5-carbaldehyde (CAS 1004956-63-1)
- methyl 3-amino-2,2-difluoro-propanoate (CAS 688736-21-2)
- 3-Hydroxy-4-pyridinecarboxylic acid, 97% (CAS 10128-71-9)
- Nile Red (CAS 7385-67-3)
- 2-Methoxy-5-nitro-3-(trifluoromethyl)pyridine (CAS 1803857-10-4)
- 6-Bromo-5-methoxy-1H-pyrrolo[2,3-b]pyridine (CAS 1167056-86-1)
- (S)-WAY 100135 dihydrochloride (S)-N-tert-Butyl-3-(4-(2-methoxyphenyl)-piperazin-1-yl)-2-phenylpropanamide dihydrochloride 149007-54-5 (CAS 149007-54-5)
- 1-methyl-2-azabicyclo[2.1.1]hexane hydrochloride (CAS 637739-97-0)
- 8-Bromo-6-fluoro-1(2H)-isoquinolinone (CAS 2411635-05-5)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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