2-(2,3-Difluorobenzoyl)-5-methylpyridine CAS 1187166-66-0
| CAS No. | 1187166-66-0 |
| Molecular Formula | C13H9F2NO |
| Molecular Weight | 233.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(2,3-Difluorobenzoyl)-5-methylpyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
2-(2,3-Difluorobenzoyl)-5-methylpyridine (CAS 1187166-66-0), molecular formula C13H9F2NO and molecular weight 233.21 g/mol, is a CATO reference standard with documented purity and traceability.
2-(2,3-Difluorobenzoyl)-5-methylpyridine (C13H9F2NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H9F2NO |
| Molecular Weight | 233.21 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.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluorobenzoyl Standards
- 3-(3,4-Difluorobenzoyl)-4-methylpyridine (CAS 1187163-84-3)
- 2-(2,6-Difluorobenzoyl)-5-methylpyridine (CAS 1187164-66-4)
- 2-(3,5-Difluorobenzoyl)-5-methylpyridine (CAS 1187164-71-1)
- 1187164-84-6 5-(2,3-Difluorobenzoyl)-2-methylpyridine MFCD13153246 (CAS 1187164-84-6)
- 2-(2,4-Difluorobenzoyl)-3-methylpyridine (CAS 1187165-77-0)
- 1187166-19-3 2-(3,4-Difluorobenzoyl)-6-methylpyridine MFCD13152613 (CAS 1187166-19-3)
- 2-(3,4-Difluorobenzoyl)-4-methylpyridine (CAS 1187167-00-5)
- 2-(3,5-Difluorobenzoyl)-3-methylpyridine (CAS 1187167-32-3)
Recommended Standards
- (3,4-Difluorophenyl)(5-methylpyridin-2-yl)methanone (CAS 1187166-85-3)
- (3,5-Difluorophenyl)(4-methylpyridin-2-yl)methanone (CAS 1187167-05-0)
- (2,5-Difluorophenyl)(5-methylpyridin-2-yl)methanone (CAS 1187164-75-5)
- (2,5-Difluorophenyl)(3-methylpyridin-2-yl)methanone (CAS 1187167-27-6)
- N-(cyclopropylmethyl)-5-(thiophen-2-yl)-1,2-oxazole-3-carboxamide (CAS 1016373-61-7)
- 2,4-Diphenylquinolin-6-ol (CAS 5855-62-9)
- 3',5'-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine (CAS 40733-26-4)
- Regadenoson Impurity 39 (CAS CATO-C4X-198539)
- 3,5-Dichloro-2,4-dihydroxy-benzoic acid (CAS 59119-79-8)
- (S)-3-amino-2-((benzyloxy)methyl)propan-1-ol (CAS 1394891-60-1)
- N-benzyl-2-(trifluoromethyl)aniline (CAS 852635-14-4)
- 2-(Trimethyl-1h-pyrazol-1-yl)phenol (CAS 1341710-58-4)
- 4,6-Bis[4-chloro-3-(trifluoromethyl)phenoxy]-2-(methylsulfanyl)pyrimidine (CAS 156592-07-3)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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