2,4-Dimethylnicotinic Acid CAS 55314-30-2
| CAS No. | 55314-30-2 |
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,4-Dimethylnicotinic Acid (CAS 55314-30-2), molecular formula C8H9NO2 and molecular weight 151.16 g/mol, is a CATO reference standard with documented purity and traceability.
2,4-Dimethylnicotinic Acid (C8H9NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2,4-Dimethylnicotinic Acid 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.
Physical & Chemical Properties
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
Related Dimethylnicotinic Standards
- 2,5-Dimethylnicotinic acid (CAS 129477-22-1)
- 2,6-dimethylnicotinic acid (CAS 5860-71-9)
- 4,6-Dimethylnicotinic acid hydrochloride (CAS 22047-86-5)
- 4,6-Dimethylnicotinic acid hydrochloride (CAS 100959-29-3)
- 5,6-Dimethylnicotinic acid hydrochloride (CAS 113124-10-0)
- 2,4-Dimethylnicotinic acid hydrochloride (CAS 133897-06-0)
Recommended Standards
- 2,3-Dimethylisonicotinic acid (CAS 4328-85-2)
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- 2,5-Dimethyl-4-nitrosophenol (CAS 20294-63-7)
- tert-Butyl 6-methyl-2,7-diazaspiro[3.5]nonane-7-carboxylate (CAS 1899102-22-7)
- N-(Pyridazin-4-yl)benzamide (CAS 921759-07-1)
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