2,3-Diamino-6-methoxypyridine
Also known as: 6-Methoxypyridine-2,3-diamine, 6-Methoxy-2,3-pyridinediamine, 2,3-Pyridinediamine, 6-methoxy-, 6-methoxy-2,3-diaminopyridine
2,3-Diamino-6-methoxypyridine (CAS 28020-38-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9N3O and a molecular weight of 139.155 g/mol. Key properties include a melting point of 168-170°C, a boiling point of 321.7±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 148.3±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28020-38-4
- Jingsj CID
- J-44621-9
- Molecular Formula
- C6H9N3O
- Molecular Weight
- 139.155 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 168-170°C |
|---|---|
| Boiling Point | 321.7±37.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 148.3±26.5 °C |
| Exact Mass | 139.074554 |
| PSA | 74.16000 |
| LogP | 0.74 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.628 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,3-Diamino-6-methoxypyridine?
The CAS number of 2,3-Diamino-6-methoxypyridine is 28020-38-4.
What are the molecular formula and molecular weight of 2,3-Diamino-6-methoxypyridine?
2,3-Diamino-6-methoxypyridine has molecular formula C6H9N3O and molecular weight 139.155 g/mol.
What are the upstream and downstream products of 2,3-Diamino-6-methoxypyridine?
For 2,3-Diamino-6-methoxypyridine, Upstream Products: 2-Amino-6-methoxy-3-nitropyridine, 2-Amino-6-chloro-3-nitropyridine, 2,6-Dichloro-3-nitropyridine; Downstream Products: 2-Mercapto-5-methoxyimidazo[4,5-b]pyridine, 6-Methoxypyrido[2,3-b]pyrazin-3(4H)-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Diamino-6-methoxypyridine (CAS 28020-38-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44621-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.