Ricinine
Also known as: 1,2-Dihydro-4-methoxy-1-methyl-2-oxonicotinonitrile, 4-Methoxy-1-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile, NSC 409913, NSC 642604, Ricinin, Ritsinin
Ricinine (CAS 524-40-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H8N2O2 and a molecular weight of 164.16 g/mol. Key properties include a melting point of 200-201ºC, a boiling point of 370.9ºC at 760 mmHg, a density of 1.23 g/cm3 and a flash point of 178.1ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 524-40-3
- Jingsj CID
- J-1975979-6
- Molecular Formula
- C8H8N2O2
- Molecular Weight
- 164.16 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200-201ºC |
|---|---|
| Boiling Point | 370.9ºC at 760 mmHg |
| Density | 1.23 g/cm3 |
| Flash Point | 178.1ºC |
| Exact Mass | 164.05900 |
| PSA | 55.02000 |
| LogP | 0.26558 |
| Refractive Index | 1.547 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. Oriakhi K, et al. Isolation, characterization, and hepatoprotective properties of betulinic acid and ricinine from Tetracarpidium conophorum seeds (Euphorbiaceae). J Food Biochem. 2021;45(3):e13288. |
|---|
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 Ricinine?
The CAS number of Ricinine is 524-40-3.
What are the molecular formula and molecular weight of Ricinine?
Ricinine has molecular formula C8H8N2O2 and molecular weight 164.16 g/mol.
Is Ricinine hazardous?
Ricinine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of Ricinine?
For Ricinine, Upstream Products: 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile, iodomethane, Dimethyl sulfate; Downstream Products: Succinic acid, Ammonia, Oxalic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ricinine (CAS 524-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975979-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.