Methyl 4-(2,3-dichloropyridin-4-yl)benzoate CAS 1160474-76-9
| CAS No. | 1160474-76-9 |
| Molecular Formula | C13H9Cl2NO2 |
| Molecular Weight | 282.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 4-(2,3-dichloropyridin-4-yl)benzoate (C13H9Cl2NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Methyl 4-(2,3-dichloropyridin-4-yl)benzoate (CAS 1160474-76-9), molecular formula C13H9Cl2NO2 and molecular weight 282.12 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.
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 | C13H9Cl2NO2 |
| Molecular Weight | 282.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(2-Fluoro-4,5-dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1150271-76-3)
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- (3,5-Dichlorophenyl)(6-methoxypyridin-2-yl)methanone (CAS 1187166-67-1)
- 8-tert-Butyl 3-methyl 8-azabicyclo[3.2.1]octane-3,8-dicarboxylate (CAS 1204809-88-0)
- Benzyl 4-ethyl-4-hydroxypiperidine-1-carboxylate (CAS 1638760-22-1)
- 5-Fluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 1071510-50-3)
- rel-(3S,4R)-1,3,4,5-Tetrahydroxypentan-2-one (CAS 5962-29-8)
- 10-(2,6-Dichlorophenyl)-14,14-dimethyl-2,9-diazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6-tetraen-12-one (CAS 406914-48-5)
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- 2-(Piperidin-3-yloxy)-1-(pyrrolidin-1-yl)ethanone (CAS 1020985-96-9)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4,4-trifluorobutanoic acid (CAS 194471-86-8)
- 3-Chloro-5-iodo-N-methylpyrazin-2-amine (CAS 1704064-40-3)
- Pancreatic Polypeptide (31-36) Free Acid, human (CAS 192432-73-8)
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