3-Chloro-2,4-dimethylpyridine CAS 72093-05-1
| CAS No. | 72093-05-1 |
| Molecular Formula | C7H8ClN |
| Molecular Weight | 141.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Chloro-2,4-dimethylpyridine 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.
3-Chloro-2,4-dimethylpyridine (CAS 72093-05-1), molecular formula C7H8ClN and molecular weight 141.60 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8ClN, 3-Chloro-2,4-dimethylpyridine contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 141.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C7H8ClN |
| Molecular Weight | 141.60 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-Chloro-6-ethylpyridine (CAS 109201-46-9)
- 5-Chloro-2-ethylpyridine (CAS 1159815-12-9)
- 3-Chloro-5-ethylpyridine (CAS 1335053-43-4)
- 4-Chloro-3,5-dimethylpyridine (CAS 143798-73-6)
- 3-Chloro-2-ethylpyridine (CAS 1823880-11-0)
- 4-Chloro-3,5-dimethylpyridine HCl (CAS 19524-10-8)
- 2-Chloro-3,4-dimethylpyridine (CAS 72093-11-9)
- 2-Chloro-3,5-dimethylpyridine (CAS 72093-12-0)
Recommended Standards
- 3-(Chloromethyl)aniline (CAS 65581-20-6)
- 3-Chloro-2,5-dimethylpyridine (CAS 72093-10-8)
- 2-Chloro-5-ethylpyridine (CAS 90196-32-0)
- 3-Chloro-2,6-dimethylpyridine (CAS 2405-06-3)
- 3-((4-(Tert-butyl)phenoxy)methyl)benzohydrazide (CAS 361465-00-1)
- N-cyclopropyl-3-(piperazin-1-yl)propanamide (CAS 1018599-06-8)
- 1-Fluoro-4-(fluoromethyl)-2-(trifluoromethyl)benzene (CAS 1609026-46-1)
- (Z)-6-Methyl-2,3-dihydro-1H-inden-1-one oxime (CAS 90921-43-0)
- 4-Bromoindane (CAS 6134-53-8)
- 4-Bromo-5-(sec-butoxymethyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole (CAS 1856089-32-1)
- 1H-Benzo[d]imidazole-2-carboximidamide (CAS 69006-93-5)
- Lithium chromate dihydrate (CAS 7789-01-7)
- Spiro[2H-indene-2,3'-[3H]pyrrolo[2,3-b]pyridin]-2'(1'H)-one, 5-amino-1,3-dihydro-, (2S)- (CAS 939016-97-4)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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