4-Amino-3-chloro-2-hydroxypyridine
4-氨基-3-氯吡啶-2-醇
Also known as: 2(1H)-Pyridinone,4-amino-3-chloro-, 4-Amino-3-chloropyridin-2-ol, 4-amino-3-chloropyridin-2(1H)-one, 4-amino-3-chloro-1H-pyridin-2-one, 4-amino-3-chloro-2(1H)-pyridinone
4-Amino-3-chloro-2-hydroxypyridine (CAS 55290-73-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2O and a molecular weight of 144.55900 g/mol. It is also known as 2(1H)-Pyridinone,4-amino-3-chloro-, 4-Amino-3-chloropyridin-2-ol and 4-amino-3-chloropyridin-2(1H)-one. Key properties include a boiling point of 269.4ºC at 760 mmHg, a density of 1.45 g/cm3 and a flash point of 116.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55290-73-8
- Jingsj CID
- J-1442560-2
- Molecular Formula
- C5H5ClN2O
- Chinese Name
- 4-氨基-3-氯吡啶-2-醇
- Molecular Weight
- 144.55900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 269.4ºC at 760 mmHg |
|---|---|
| Density | 1.45 g/cm3 |
| Flash Point | 116.8ºC |
Frequently Asked Questions
What is the CAS number of 4-Amino-3-chloro-2-hydroxypyridine?
The CAS number of 4-Amino-3-chloro-2-hydroxypyridine is 55290-73-8.
What are the molecular formula and molecular weight of 4-Amino-3-chloro-2-hydroxypyridine?
4-Amino-3-chloro-2-hydroxypyridine has molecular formula C5H5ClN2O and molecular weight 144.55900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-3-chloro-2-hydroxypyridine (CAS 55290-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1442560-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.