![Molecular structure of (1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene (CAS 19740-90-0)](/images/chem_structures_svg/480/19740-90-0.svg)
(1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene
Also known as: 5,6-Epoxycyclooctene, 5,6-Epoxy-cis-cyclooctene, 1,2-Epoxy-cis-cyclooct-5-ene, 1,2-Epoxy-5-cyclooctene, 1,5-Cyclooctadiene monoepoxide, 1,5-Cyclooctadiene epoxide, Cycloocta-1,5-diene epoxide, cis-1,2-Epoxy-5-cyclooctene, meso-Cycloocta-1,5-diene oxide, 9-Oxabicyclo[6.1.0]non-4-ene, (1R,8S)-rel-, (1R,4Z,8S)-9-oxabicyclo[6.1.0]non-4-ene
(1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene (CAS 19740-90-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H12O and a molecular weight of 124.18000 g/mol. Key properties include a boiling point of 178ºC, a density of 0.993 and a flash point of 54ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19740-90-0
- Jingsj CID
- J-989694-0
- Molecular Formula
- C8H12O
- Molecular Weight
- 124.18000 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 178ºC |
|---|---|
| Density | 0.993 |
| Flash Point | 54ºC |
| Exact Mass | 124.08900 |
| PSA | 12.53000 |
| LogP | 1.88400 |
| Vapor Pressure | 1.36mmHg at 25°C |
| Refractive Index | 1.49 |
Frequently Asked Questions
What is the CAS number of (1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene?
The CAS number of (1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene is 19740-90-0.
What are the molecular formula and molecular weight of (1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene?
(1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene has molecular formula C8H12O and molecular weight 124.18000 g/mol.
What are the upstream and downstream products of (1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene?
For (1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene, Downstream Products: 9-Oxabicyclo[6.1.0]nonane, Cyclooctane, non-8-enal.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(1R,8S)-rel-9-oxabicyclo[6.1.0]non-4-ene (CAS 19740-90-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-989694-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.