4-chloro-2,3,5-trimethylpyridine-1-oxide
Also known as: 4-chloro-2,3,5-trimethylpyridine N-oxide, 4-chloro-2,3,5-trimethyl-1-oxidopyridin-1-ium, 4-chloro-2,3,5-trimethylpyridinium-1-olate, 2,3,5-trimethyl 4-chloro pyridine N-oxide, Pyridine, 4-chloro-2,3,5-trimethyl-, 1-oxide, Pyridine, 4-chloro-2,3,5-trimethyl-, 1-oxide
4-chloro-2,3,5-trimethylpyridine-1-oxide (CAS 109371-20-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10ClNO and a molecular weight of 171.624 g/mol. Key properties include a boiling point of 347.0±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 163.7±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 109371-20-2
- Jingsj CID
- J-1344488-7
- Molecular Formula
- C8H10ClNO
- Molecular Weight
- 171.624 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 347.0±37.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 163.7±26.5 °C |
| Exact Mass | 171.045090 |
| PSA | 25.46000 |
| LogP | 0.94 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.532 |
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 4-chloro-2,3,5-trimethylpyridine-1-oxide?
The CAS number of 4-chloro-2,3,5-trimethylpyridine-1-oxide is 109371-20-2.
What are the molecular formula and molecular weight of 4-chloro-2,3,5-trimethylpyridine-1-oxide?
4-chloro-2,3,5-trimethylpyridine-1-oxide has molecular formula C8H10ClNO and molecular weight 171.624 g/mol.
What are the upstream and downstream products of 4-chloro-2,3,5-trimethylpyridine-1-oxide?
For 4-chloro-2,3,5-trimethylpyridine-1-oxide, Upstream Products: 4-Chloro-2,3,5-trimethylpyridine, 2,3,5-Trimethyl-4-nitropyridine 1-oxide, 2,3,5-Trimethylpyridine; Downstream Products: 4-Chloro-2,3,5-trimethylpyridine, (4-Chloro-3,5-dimethyl-2-pyridinyl)methanol, 2-(Chloromethyl)-4-methoxy-3,5-dimethylpyridine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-chloro-2,3,5-trimethylpyridine-1-oxide (CAS 109371-20-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1344488-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.