4-Chloro-2-methoxypyrimidine
4-氯-2-甲氧基嘧啶
Also known as: Pyrimidine, 4-chloro-2-methoxy- (9CI), Pyrimidine, 4-chloro-2-methoxy-, 4-Chloro-2-methoxypyrimidine, 4-Chloro-2-methoxy-1,3-diazine
4-Chloro-2-methoxypyrimidine (CAS 51421-99-9) 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 144.559 g/mol. It is also known as Pyrimidine, 4-chloro-2-methoxy- (9CI), Pyrimidine, 4-chloro-2-methoxy- and 4-Chloro-2-methoxy-1,3-diazine. Key properties include a boiling point of 234.5±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 95.6±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51421-99-9
- Jingsj CID
- J-1305129-1
- Molecular Formula
- C5H5ClN2O
- Chinese Name
- 4-氯-2-甲氧基嘧啶
- Molecular Weight
- 144.559 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 234.5±32.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 95.6±25.1 °C |
Frequently Asked Questions
What is the CAS number of 4-Chloro-2-methoxypyrimidine?
The CAS number of 4-Chloro-2-methoxypyrimidine is 51421-99-9.
What are the molecular formula and molecular weight of 4-Chloro-2-methoxypyrimidine?
4-Chloro-2-methoxypyrimidine has molecular formula C5H5ClN2O and molecular weight 144.559 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-2-methoxypyrimidine (CAS 51421-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1305129-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.