N2-Methylpyridine-2,5-diamine CAS 28020-36-2
| CAS No. | 28020-36-2 |
| Molecular Formula | C6H9N3 |
| Molecular Weight | 123.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N2-Methylpyridine-2,5-diamine (CAS 28020-36-2) is a high-purity analytical reference standard with the molecular formula C6H9N3 and a molecular weight of 123.16 g/mol.
Owing to a nitrile group, an aromatic ring system, N2-Methylpyridine-2,5-diamine is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 123.16 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.
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), N2-Methylpyridine-2,5-diamine 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 | C6H9N3 |
| Molecular Weight | 123.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1965 |
| Nitrogen Atoms | 3 |
Related N Standards
- 5-Methylpyridine-2,4-diamine (CAS 1033203-34-7)
- 3-Methylpyridine-2,5-diamine (CAS 106070-58-0)
- 4-Methylpyridine-3,5-diamine (CAS 1261269-60-6)
- 2-Methylpyridine-3,4-diamine (CAS 15931-19-8)
- N3-Methylpyridine-3,4-diamine (CAS 1796-73-2)
- N4-Methylpyridine-3,4-diamine (CAS 1839-17-4)
- 4-Methylpyridine-2,5-diamine (CAS 6909-93-9)
- 4-Methylpyridine-2,6-diamine (CAS 38439-33-7)
Recommended Standards
- N2-Methylpyridine-2,4-diamine (CAS 920520-39-4)
- N2-Methylpyridine-2,6-diamine (CAS 75135-46-5)
- N2-methylpyridine-2,3-diamine (CAS 5028-20-6)
- N-ethylpyrazin-2-amine (CAS 65032-08-8)
- N-(6-Acetyl-4-methylpyridin-2-yl)acetamide (CAS 1393567-70-8)
- (Z)-N-[6-Amino-1-(pyridin-2-yl)hexylidene]hydroxylamine hydrochloride (CAS 1178004-79-9)
- 5-(Chloromethyl)-4-methylpyridin-2-amine (CAS 1355233-09-8)
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-chloro-5-fluorophenyl)propanoic acid (CAS 1998650-51-3)
- 2-((1-(2-Hydroxyethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 899743-04-5)
- Methyl (((1r,3r)-3-aminocyclobutyl)methyl)carbamate (CAS 2168381-54-0)
- 6-Amino-5-chloropyridin-3-ol (CAS 209328-70-1)
- 2-(1H-Pyrazol-4-yl)ethanamine hydrochloride (CAS 1246551-54-1)
- [4-(4-Bromobutoxy)phenyl]-phenylmethanone (CAS 101308-54-7)
- HIV (gp120) Antigenic Peptide (H-2982.0500) (CAS 198636-94-1)
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