3,4-Dichloropyridine hydrochloride CAS 159732-45-3
| CAS No. | 159732-45-3 |
| Molecular Formula | C5H3Cl2N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 184.44 g/mol gives 3,4-Dichloropyridine hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,4-Dichloropyridine hydrochloride (CAS 159732-45-3) is a high-purity analytical reference standard with the molecular formula C5H3Cl2NHCl and a molecular weight of 184.44 g/mol.
Based on its molecular formula C5H3Cl2NHCl, 3,4-Dichloropyridine hydrochloride contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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), 3,4-Dichloropyridine hydrochloride 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 | C5H3Cl2N HCl |
| Molecular Weight | 184.44 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloropyridine Standards
- 4,5-dichloropyridine-3-carbaldehyde (CAS 1009334-04-6)
- 3,4-Dichloropyridine-2-carboxamide (CAS 1025720-99-3)
- 3,5-Dichloropyridine-2,4-diol (CAS 103792-80-9)
- 2,6-Dichloropyridine-4-sulfonyl chloride (CAS 1058741-91-5)
- (4,6-Dichloropyridine-3yl)boronic acid (CAS 1070893-11-6)
- 5,6-Dichloropyridine-3-boronic Acid (CAS 1072944-15-0)
- 2,6-Dichloropyridine-4-boronic Acid (CAS 1072951-54-2)
- 2,3-Dichloropyridine-4-boronic Acid Pinacol Ester (CAS 1073353-78-2)
Recommended Standards
- 1-(5H-Pyrrolo[2,3-b]pyrazin-6-yl)ethanone (CAS 1507995-70-1)
- tert-butyl N-[(3S)-6-(N-hydroxycarbamimidoyl)-2,3-dihydrobenzofuran-3-yl]carbamate (CAS 2364560-70-1)
- TRt-hse-oh dea (CAS 83427-83-2)
- 6-[(E)-2-(4-Methylphenyl)ethenyl]-4-[(Z)-2-(4-methylphenyl)ethenyl]-2-{[(3-methylphenyl)methyl]sulfanyl}pyridine-3-carbonitrile (CAS 303985-40-2)
- Tris(2-chloroethyl)phosphate-d12 (CAS 1276500-47-0)
- Metamizole Impurity 7 (CAS CATO-C4X-22637)
- IQ 1S (CAS 1421610-21-0)
- Allyl(5-fluoro-2-methylphenyl)sulfane (CAS 1379262-99-3)
- 1-Cyclopropylmethyl-piperidin-3-ol (CAS 1249256-58-3)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
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