5-Chloro-2-methoxypyrimidine
Also known as: 5-chloro-2-methoxy-pyrimidine, Pyrimidine, 5-chloro-2-methoxy-, Pyrimidine, 5-chloro-2-methoxy- (9CI)
5-Chloro-2-methoxypyrimidine (CAS 38373-44-3) 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. Key properties include a melting point of 50-55°C, 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. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 38373-44-3
- Jingsj CID
- J-1031211-5
- Molecular Formula
- C5H5ClN2O
- Molecular Weight
- 144.559 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 50-55°C |
|---|---|
| Boiling Point | 234.5±32.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 95.6±25.1 °C |
| Exact Mass | 144.009033 |
| PSA | 35.01000 |
| LogP | 1.04 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.520 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 5-Chloro-2-methoxypyrimidine?
The CAS number of 5-Chloro-2-methoxypyrimidine is 38373-44-3.
What are the molecular formula and molecular weight of 5-Chloro-2-methoxypyrimidine?
5-Chloro-2-methoxypyrimidine has molecular formula C5H5ClN2O and molecular weight 144.559 g/mol.
Is 5-Chloro-2-methoxypyrimidine hazardous?
5-Chloro-2-methoxypyrimidine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of 5-Chloro-2-methoxypyrimidine?
For 5-Chloro-2-methoxypyrimidine, Upstream Products: Methanol, 2,5-Dichloropyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloro-2-methoxypyrimidine (CAS 38373-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1031211-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.