N-(4-chlorophenyl)-2,4-difluorobenzamide CAS 865660-62-4
| CAS No. | 865660-62-4 |
| Molecular Formula | C13H8ClF2NO |
| Molecular Weight | 267.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N-(4-chlorophenyl)-2,4-difluorobenzamide (C13H8ClF2NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 267.66 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
N-(4-chlorophenyl)-2,4-difluorobenzamide (CAS 865660-62-4), molecular formula C13H8ClF2NO and molecular weight 267.66 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H8ClF2NO |
| Molecular Weight | 267.66 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related N Standards
- N-(4-Chlorophenyl)-2,6-difluorobenzamide (CAS 122987-01-3)
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- N-(3-Chlorophenyl)-2,6-difluorobenzamide (CAS 937648-67-4)
- Ethyl (5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl)carbamate (CAS 116221-81-9)
- 1-(2-(3-Chlorophenyl)-2-hydroxyethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1338691-83-0)
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Recommended Standards
- N-(4-Chloro-2-fluorophenyl)-4-fluorobenzamide (CAS 546082-82-0)
- Methyl 3-Isothiocyanato-4-methylthiophene-2-carboxylate (CAS 1000573-52-3)
- N-(4-Chloro-2-fluorophenyl)-2-fluorobenzamide (CAS 545440-44-6)
- 5-(2-Chloro-5-nitrophenyl)-3-propyl-1,2,4-oxadiazole (CAS 1119505-95-1)
- 2-((2-Chlorobenzyl)thio)-4,6-bis(4-chlorophenyl)nicotinonitrile (CAS 332385-82-7)
- 5-Bromo-2-(4-methylpiperidin-1-yl)pyrimidine (CAS 1289089-91-3)
- 2,5-Bis(2,2,2-trifluoroethoxy)benzohydrazide (CAS 50778-75-1)
- 5-Iodo-1,1,1,2,2,3-hexafluoro-3-(trifluoromethyl)hexane (CAS 239464-00-7)
- 5-Cyclopentyl-1H-pyrazole-3-carboxylic acid (CAS 521300-21-0)
- (1,1-dioxo-1λ⁶-thian-3-yl)methanesulfonyl chloride (CAS 1781507-54-7)
- (2-(3,4-Dimethylphenyl)oxazol-4-yl)methanol (CAS 885272-90-2)
- 3,5-Dichloro-1-(2-chloroethyl)-1H-1,2,4-triazole (CAS 1322604-96-5)
- Pd-PEPPSI<SUP>™</SUP>-IPent Catalyst (CAS 1158652-41-5)
- Neuropeptide Y (2-36), amide, porcine (CAS 102961-52-4)
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