5,8,11,14-Eicosatetraynoic acid
Also known as: ETYA, Octadehydroarachidonic acid, Ro-3-1428, 5,8,11,14-Icosatetraynoic acid, Icosa-5,8,11,14-tetraynoic acid, Eicosa-5,8,11,14-tetraynoic acid
5,8,11,14-Eicosatetraynoic acid (CAS 1191-85-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H24O2 and a molecular weight of 296.403 g/mol. Key properties include a melting point of 79-81ºC, a boiling point of 490.3±45.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 226.6±23.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1191-85-1
- Jingsj CID
- J-6381-0
- Molecular Formula
- C20H24O2
- Molecular Weight
- 296.403 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 79-81ºC |
|---|---|
| Boiling Point | 490.3±45.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 226.6±23.4 °C |
| Exact Mass | 296.177643 |
| PSA | 37.30000 |
| LogP | 5.19 |
| Vapor Pressure | 0.0±2.7 mmHg at 25°C |
| Refractive Index | 1.528 |
Activity & Biological Data
| Target | COX:8 μM (ID50) |
|---|---|
| Additional Information | [1]. Hammarström S, et al. Selective inhibition of platelet n-8 lipoxygenase by 5,8,11-eicosatriynoic acid. Biochim Biophys Acta. 1977 Jun 22;487(3):517-9. [2]. Kliewer SA, et al. A prostaglandin J2 metabolite binds peroxisome proliferator-activated receptor gamma and promotes adipocyte differentiation. Cell. 1995 Dec 1;83(5):813-9. |
Customs & Trade Information
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5,8,11,14-Eicosatetraynoic acid?
The CAS number of 5,8,11,14-Eicosatetraynoic acid is 1191-85-1.
What are the molecular formula and molecular weight of 5,8,11,14-Eicosatetraynoic acid?
5,8,11,14-Eicosatetraynoic acid has molecular formula C20H24O2 and molecular weight 296.403 g/mol.
What are the upstream and downstream products of 5,8,11,14-Eicosatetraynoic acid?
For 5,8,11,14-Eicosatetraynoic acid, Upstream Products: 1-bromo-2-octyne, 5-Hexynoic acid, Hept-1-yne; Downstream Products: Arachidonic acid, Methyl arachidonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,8,11,14-Eicosatetraynoic acid (CAS 1191-85-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6381-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.