2-(2,5-Dichlorophenyl)isonicotinic acid CAS 1262007-36-2
| CAS No. | 1262007-36-2 |
| Molecular Formula | C12H7Cl2NO2 |
| Molecular Weight | 268.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 268.10 g/mol gives 2-(2,5-Dichlorophenyl)isonicotinic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2,5-Dichlorophenyl)isonicotinic acid (CAS 1262007-36-2) is a high-purity analytical reference standard with the molecular formula C12H7Cl2NO2 and a molecular weight of 268.10 g/mol.
2-(2,5-Dichlorophenyl)isonicotinic acid (C12H7Cl2NO2) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 2-(2,5-Dichlorophenyl)isonicotinic acid 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 | C12H7Cl2NO2 |
| Molecular Weight | 268.10 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorophenyl Standards
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- 5-(2,5-Dichlorophenyl)nicotinic acid (CAS 1181639-80-4)
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- 6-(2,4-Dichlorophenyl)picolinic acid (CAS 1261912-00-8)
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Recommended Standards
- 3-(3,4-Dichlorophenyl)picolinic acid (CAS 1262001-48-8)
- 2-Chloro-N-(2-chloropyridin-3-yl)pyridine-3-carboxamide (CAS 132312-86-8)
- 2-(3,5-Dichlorophenyl)isonicotinic acid (CAS 1261996-13-7)
- 3-iodo-1H-pyrazolo[4,3-c]pyridin-4-amine (CAS 1351479-27-0)
- (S)-2-((S)-1-((S)-2,6-Diaminohexyl)pyrrolidine-2-carboxamido)-5-guanidinopentanoic acid (CAS 227470-77-1)
- O-(2-Acetamido-2-deoxy-D-glucopyranosylidene)amino-N-phenyl Carbamate (CAS 872611-16-0)
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- 2-(Chloromethyl)-3-(difluoromethyl)pyridine-6-acetonitrile (CAS 1805039-23-9)
- 5-(2,3-Difluorophenyl)nicotinamide (CAS 1346691-63-1)
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