4-Methoxypyridine N-oxide hydrate
4-甲氧基吡啶-N-氧化物水合物
Also known as: 4-Methoxypyridine 1-oxide hydrate, 4-Methoxypyridine 1-oxide xhydrate, 4-Methoxypyridine N-oxide hydrate 97%, 4-Methoxypyridine-N-oxide hydrate, Pyridine, 4-methoxy-, 1-oxide, hydrate
4-Methoxypyridine N-oxide hydrate (CAS 207511-18-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9NO3 and a molecular weight of 143.14100 g/mol. It is also known as 4-Methoxypyridine 1-oxide hydrate, 4-Methoxypyridine 1-oxide xhydrate and 4-Methoxypyridine N-oxide hydrate 97%. Key property: a melting point of 78-81ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 207511-18-0
- Jingsj CID
- J-10109-1
- Molecular Formula
- C6H9NO3
- Chinese Name
- 4-甲氧基吡啶-N-氧化物水合物
- Molecular Weight
- 143.14100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 78-81ºC |
|---|---|
| Exact Mass | 143.05800 |
| PSA | 43.92000 |
| LogP | 1.05940 |
| Additional Property | Soluble in water. |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Methoxypyridine N-oxide hydrate?
The CAS number of 4-Methoxypyridine N-oxide hydrate is 207511-18-0.
What are the molecular formula and molecular weight of 4-Methoxypyridine N-oxide hydrate?
4-Methoxypyridine N-oxide hydrate has molecular formula C6H9NO3 and molecular weight 143.14100 g/mol.
Is 4-Methoxypyridine N-oxide hydrate hazardous?
4-Methoxypyridine N-oxide hydrate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methoxypyridine N-oxide hydrate (CAS 207511-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10109-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.