3-Methylquinoline N-oxide
Also known as: 3-methylquinoline n-oxide, 3-Methylquinoline 1-oxide, 3-Methyl-1-oxidoquinolin-1-ium, 3-methyl-1-azanaphthalene N-oxide, 3-methylquinolin-1-ol, 3-Methyl-chinolin-1-oxid, Quinoline, 3-methyl-, 1-oxide, Ripretinib Impurity 48, MFCD00082650
3-Methylquinoline N-oxide (CAS 1873-55-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO and a molecular weight of 159.18500 g/mol. Key properties include a melting point of 88-89°C, a boiling point of 315ºC at 760mmHg, a density of 1.1g/cm3 and a flash point of 144.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1873-55-8
- Jingsj CID
- J-41188-1
- Molecular Formula
- C10H9NO
- Molecular Weight
- 159.18500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 88-89°C |
|---|---|
| Boiling Point | 315ºC at 760mmHg |
| Density | 1.1g/cm3 |
| Flash Point | 144.3ºC |
| Exact Mass | 159.06800 |
| PSA | 25.46000 |
| LogP | 2.57670 |
| Vapor Pressure | 0.000831mmHg at 25°C |
| Refractive Index | 1.585 |
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 3-Methylquinoline N-oxide?
The CAS number of 3-Methylquinoline N-oxide is 1873-55-8.
What are the molecular formula and molecular weight of 3-Methylquinoline N-oxide?
3-Methylquinoline N-oxide has molecular formula C10H9NO and molecular weight 159.18500 g/mol.
What are the upstream and downstream products of 3-Methylquinoline N-oxide?
For 3-Methylquinoline N-oxide, Upstream Products: 3-Methylquinoline; Downstream Products: 3-methylquinolin-4-amine, 3-methylquinolin-2(1H)-one, 3-methylquinolin-2-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylquinoline N-oxide (CAS 1873-55-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41188-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.