3-chloro-4,5-difluorobenzonitrile CAS 103879-29-4
| CAS No. | 103879-29-4 |
| Molecular Formula | C7H8ClF2N |
| Molecular Weight | 179.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H8ClF2N, 3-chloro-4,5-difluorobenzonitrile contains a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-chloro-4,5-difluorobenzonitrile (CAS 103879-29-4), molecular formula C7H8ClF2N and molecular weight 179.59 g/mol, is a CATO reference standard with documented purity and traceability.
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-chloro-4,5-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 | C7H8ClF2N |
| Molecular Weight | 179.59 g/mol |
| Appearance | 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 methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related chloro Standards
- 2-chloro-3,4-difluorobenzonitrile (CAS 924626-68-6)
- 4-chloro-5-hydroxy-pyridine-2-carboxylic acid (CAS 1060804-56-9)
- 3-Chloro-1H-indole-2-carbaldehyde (CAS 110912-15-7)
- 3-Chloro-1H-indole-4-carbaldehyde (CAS 1216113-27-7)
- 5-Chloro-3-methyleneisoindolin-1-one (CAS 1239331-77-1)
- 4-Chloro-5-phenyloxazole (CAS 1240617-68-8)
- 4-Chloro-5-nitrothiazol-2-amine (CAS 127507-89-5)
- 2-Chloro-4-formyl-3-methylbenzonitrile (CAS 1297544-91-2)
Recommended Standards
- 4-Chloro-3-hydroxyisothiazole-5-carboxylic acid (CAS 948292-12-4)
- 7-Chloroindole-3-carbaldehyde (CAS 1008-07-7)
- 5-Amino-6-chloro-2,3-dicyanopyrazine (CAS 56413-96-8)
- 2-(2-Chloroacetyl)benzonitrile (CAS 1008-15-7)
- Ethyl 3-amino-7-bromo-6-fluoroquinoline-2-carboxylate (CAS 1620239-31-7)
- 2-(pyrrolidin-3-yl)-1H-imidazole dihydrochloride (CAS 1955555-00-6)
- 2-Chloro-6-(oxiran-2-ylmethoxy)benzonitrile (CAS 198226-62-9)
- Tert-butyl 4-(1-(ethoxycarbonyl)cyclopropyl)piperidine-1-carboxylate (CAS 1363382-33-5)
- 4-(5-(1-Propylpyrrolidin-2-yl)pyridin-2-yl)morpholine (CAS 1352518-78-5)
- Neopuerarin B (CAS 1150314-39-8)
- 4-dibutylthiophene (CAS 349481-77-2)
- 5-Bromopent-2-ene (CAS 51952-42-2)
- 2-Fluoro-4-(trifluoromethyl)benzaldehyde (CAS 89763-93-9)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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 18665070610 / Nicole.chen@cato-chem.com