Alantolactone
Also known as: Helenin, Helenine, Elecampane camphor, Eupatal, Inula camphor, Alant camphor, (3aR,5S,8aR,9aR)-5,8a-dimethyl-3-methylidene-3a,5,6,7,8,8a,9,9a-octahydronaphtho[2,3-b]furan-2(3H)-one, 3a,5,6,7,8,8a,9,9a-Octahydro-5,8a-dimethyl-3-methylenenaphtho[2,3-b]furan-2(3H)-one
Alantolactone (CAS 546-43-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H20O2 and a molecular weight of 232.318 g/mol. Key properties include a melting point of 78-79ºC, a boiling point of 275.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 111.5±18.2 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 546-43-0
- Jingsj CID
- J-1975593-9
- Molecular Formula
- C15H20O2
- Molecular Weight
- 232.318 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 78-79ºC |
|---|---|
| Boiling Point | 275.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 111.5±18.2 °C |
| Exact Mass | 232.146332 |
| PSA | 26.30000 |
| LogP | 3.69 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.534 |
| Storage Conditions | ?20°C |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
Activity & Biological Data
| Target | STAT3 |
|---|---|
| Additional Information | [1]. Khan M, et al. Alantolactone induces apoptosis in HepG2 cells through GSH depletion, inhibition of STAT3 activation, and mitochondrial dysfunction. Biomed Res Int. 2013;2013:719858. [2]. Chun J, et al. Alantolactone selectively suppresses STAT3 activation and exhibits potent anticancer activity in MDA-MB-231 cells. Cancer Lett. 2015 Feb 1;357(1):393-403. |
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. 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 Alantolactone?
The CAS number of Alantolactone is 546-43-0.
What are the molecular formula and molecular weight of Alantolactone?
Alantolactone has molecular formula C15H20O2 and molecular weight 232.318 g/mol.
Is Alantolactone hazardous?
Alantolactone has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Alantolactone (CAS 546-43-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975593-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.