3,6-Dichloro-2-methylpyridine CAS 123280-64-8
| CAS No. | 123280-64-8 |
| Molecular Formula | C6H5Cl2N |
| Molecular Weight | 162.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-Dichloro-2-methylpyridine (CAS 123280-64-8), molecular formula C6H5Cl2N and molecular weight 162.02 g/mol, is a CATO reference standard with documented purity and traceability.
3,6-Dichloro-2-methylpyridine (C6H5Cl2N) contains a nitrile group, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,6-Dichloro-2-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.
Physical & Chemical Properties
| Molecular Formula | C6H5Cl2N |
| Molecular Weight | 162.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 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.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 3,5-Dichloro-2-methylpyridine (CAS 100868-45-9)
- 3,5-Dichloro-4-methylpyridine (CAS 100868-46-0)
- 3,4-Dichloro-2-methylpyridine (CAS 103949-58-2)
- 3,4-Dichloro-5-methylpyridine (CAS 1261727-04-1)
- 2,4-Dichloro-3-methylpyridine (CAS 132097-09-7)
- 2,3-Dichloro-4-methylpyridine (CAS 191419-07-5)
- 2,3-Dichloro-5-methylpyridine (CAS 59782-90-0)
- 2,3-Dichloro-6-methylpyridine (CAS 54957-86-7)
Recommended Standards
- 2-Chloro-4-(chloromethyl)pyridine (CAS 101990-73-2)
- 5-Chloro-2-(chloromethyl)pyridine (CAS 10177-24-9)
- 3-chloro-2-(chloromethyl)pyridine (CAS 185315-53-1)
- 4-Chloro-2-(chloromethyl)pyridine (CAS 10177-21-6)
- 8-Chloro-3-iodoquinoline (CAS 847727-21-3)
- (S)-1-(4-Fluoro-3-nitrophenyl)ethan-1-ol (CAS 1932013-91-6)
- 3-[(2-cyanoethyl)(phenyl)amino]propanenitrile (CAS 1555-66-4)
- (1-(tert-Butyl)-1H-pyrazol-5-yl)boronic acid (CAS 1162643-26-6)
- N-(Piperidin-3-ylmethyl)isoquinolin-5-amine hydrochloride (CAS 651307-08-3)
- 1-(5-Chloro-2-methylphenyl)-2,2,3,3,3-pentafluoropropan-1-one (CAS 1352224-05-5)
- 2-(4-Chloropyrimidin-5-yl)acetic acid (CAS 389799-46-6)
- 16a-Hydroxyestrone sodium-3-sulfate (CAS 81072-42-6)
- o-Methyl-N-(tetrahydro-2h-pyran-4-yl)hydroxylamine (CAS 1465124-03-1)
- D-Tyr1-Tirzepatide (CAS CATO-CPTD788928)
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