2,6-Dimethoxypyridine-3,5-diamine Dihydrochloride CAS 56216-28-5
| CAS No. | 56216-28-5 |
| Molecular Formula | C7H11N3O2 |
| Molecular Weight | N/A |
| 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.
2,6-Dimethoxypyridine-3,5-diamine Dihydrochloride (CAS 56216-28-5), molecular formula C7H11N3O2HCl and molecular weight 205.64 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 2,6-Dimethoxypyridine-3,5-diamine Dihydrochloride is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 205.64 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2,6-Dimethoxypyridine-3,5-diamine Dihydrochloride 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 | C7H11N3O2 2*HCl |
| Molecular Weight | 205.64 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >90% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dimethoxypyridine Standards
- 3,4-Dimethoxypyridine (CAS 109613-93-6)
- 2,3-Dimethoxypyridine 1-oxide (CAS 111302-00-2)
- (2,6-Dimethoxypyridine-3,5-diyl)diboronic acid (CAS 1217501-25-1)
- 3,5-Dimethoxypyridine hydrochloride (CAS 1334417-33-2)
- 4,6-Dimethoxypyridine-2-sulfonyl chloride (CAS 1393538-94-7)
- 2,5-Dimethoxypyridine-4-boronic Acid (CAS 1630193-77-9)
- 2,6-Dimethoxypyridine-3,5-diamine Hydrochloride (CAS 169381-75-3)
- 2,4-Dimethoxypyridine (CAS 18677-43-5)
Recommended Standards
- 1-Chloro-2-iodoethane (CAS 624-70-4)
- 4-(2,4-Difluorophenyl)-1H-1,2,4-triazol-5(4H)-one (CAS 155431-40-6)
- 2-(Benzylsulfanyl)-4-(2,5-dichlorothiophen-3-yl)pyrimidine (CAS 338777-10-9)
- 2-Fluoro-3-isopropoxyphenol (CAS 1243452-19-8)
- Methyl 4-bromo-3-hydroxy-5-methoxybenzoate (CAS 876170-40-0)
- 1-(3-Aminopropyl)-1H-pyrazole-4-carboxamide (CAS 1341709-92-9)
- 1-Cyclohexyl-1h-imidazo[4,5-c]pyridine-2-thiol (CAS 120759-69-5)
- D-Serine Ethyl Ester Hydrochloride (CAS 104055-46-1)
- (S)-(1-aminoethyl)phosphonic acid (S)-1-aminoethanephosphonic acid (S)-1-aminoethylphosphonic acid 66068-76-6 CHEBI:136675 [(1S)-1-aminoethyl]phosphonic acid (CAS 66068-76-6)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
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