3,4-Difluorobenzonitrile CAS 64248-62-0
| CAS No. | 64248-62-0 |
| Molecular Formula | C7H3F2N |
| Molecular Weight | 139.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3,4-Difluorobenzonitrile (C7H3F2N) contains a nitrile group, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 139.10 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 3,4-Difluorobenzonitrile (CAS 64248-62-0), a certified reference material (molecular formula C7H3F2N, MW 139.10 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3,4-Difluorobenzonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1975 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluorobenzonitrile Standards
- 2,6-Difluorobenzonitrile (CAS 1897-52-5)
- 2,5-Difluorobenzonitrile (CAS 64248-64-2)
- 2,4-Difluorobenzonitrile (CAS 3939-09-1)
- 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
- methyl 3-amino-2,2-difluoro-propanoate (CAS 688736-21-2)
- 3-Amino-4,4-difluorobutanoic acid (CAS 77162-46-0)
- 4-Amino-6-oxo-1,6-dihydropyrimidine-5-carbaldehyde (CAS 1004956-63-1)
- 2-Amino-3,3-difluoro-2-methyl-propionic acid (CAS 67654-65-3)
- 1-Amino-3-(2,6-dimethylphenoxy)propan-2-ol (CAS 540760-61-0)
- N-(2-Amino-2-methylpropyl)benzenesulfonamide (CAS 87484-87-5)
- N-[4-Chloro-2-methoxy-5-(1-methylethenyl)phenyl]acetamide (CAS 1629269-89-1)
- (5-Methylfuran-2-yl)methanethiol (CAS 59303-05-8)
- 2-(3,4-Difluorophenyl)-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 1265476-56-9)
- Ethofumesate (CAS 26225-79-6)
- 1-ethyl-5-(trifluoromethyl)-1H-pyrazol-3-amine,HCl (CAS 1365988-40-4)
- Ketorolac impurity 67 (CAS CATO-C4X-166967)
- 3-(Prop-2-yn-1-yl)benzoic acid (CAS 1258540-52-1)
- Allo-D-Ile12-Tirzepatide (CAS CATO-CPTD788963)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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