6-Chloropyridine-3,4-diamine trihydrochloride CAS 2604-40-2
| CAS No. | 2604-40-2 |
| Molecular Formula | C5H6ClN3 |
| 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 180.03 g/mol gives 6-Chloropyridine-3,4-diamine trihydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Chloropyridine-3,4-diamine trihydrochloride (CAS 2604-40-2), molecular formula C5H6ClN3HCl and molecular weight 180.03 g/mol, is a CATO reference standard with documented purity and traceability.
6-Chloropyridine-3,4-diamine trihydrochloride (C5H6ClN3HCl) contains a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 6-Chloropyridine-3,4-diamine trihydrochloride 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 | C5H6ClN3 2*HCl |
| Molecular Weight | 180.03 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 DMSO, DMF, methanol |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloropyridine Standards
- 2-Chloropyridine-4-sulfonyl chloride (CAS 1000933-25-4)
- 2-Chloropyridine-d4 (CAS 1001003-94-6)
- 3-Chloropyridine-d4 (CAS 1001003-95-7)
- 2-Chloropyridine-4-methanol (CAS 100704-10-7)
- 3-Chloropyridine-4-carboxamide (CAS 100859-32-3)
- 2-Chloropyridine-4-carboxaldehyde (CAS 101066-61-9)
- 5-Chloropyridine-3,4-dicarboxylic acid (CAS 101420-62-6)
- 1-(6-Chloropyridine-3-carbonyl)-2,3-dihydro-1h-indole (CAS 1016692-41-3)
Recommended Standards
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- 2,2,2-Trifluoroethyl 2-(4-methylpiperazin-1-yl)ethane-1-sulfonate dioxalate (CAS 353744-64-6)
- 3-(3-Chlorophenyl)-1,2,4-thiadiazol-5-amine (CAS 1153977-31-1)
- Remdesivir Impurity 47 (CAS CATO-C4X-210047)
- (2-Chloro-5-methylpyridin-4-yl)methanol (CAS 479612-36-7)
- 1-Cyclopropyl-2-(3-(trifluoromethyl)phenyl)ethan-1-one (CAS 945226-93-7)
- 6-Methyl-2-(methylthio)-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-1,6-naphthyridine-3-carbonitrile (CAS 886493-67-0)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
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