Skip to main content
Jingsj
.mol.sdf

(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate

Also known as: Ethyl (1S,5R,6S)-5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate, Ethyl (3R,4S,5S)-4,5-epoxy-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate, (1S,5R,6S)-Ethyl 5-(1-ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate, Oseltamivir intermediate, Oseltamivir epoxide, Ethyl (1S,5R,6S)-5-(3-pentanyloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate, MFCD08063944

(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate (CAS 204254-96-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H22O4 and a molecular weight of 254.322 g/mol. Key properties include a melting point of 56-57ºC, a boiling point of 336.5±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 145.1±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
204254-96-6
Jingsj CID
J-1569542-8
Molecular Formula
C14H22O4
Molecular Weight
254.322 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point56-57ºC
Boiling Point336.5±42.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point145.1±27.9 °C
Exact Mass254.151810
PSA48.06000
LogP3.47
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.492
Storage Conditions-20°C Freezer

Frequently Asked Questions

What is the CAS number of (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate?

The CAS number of (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate is 204254-96-6.

What are the molecular formula and molecular weight of (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate?

(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate has molecular formula C14H22O4 and molecular weight 254.322 g/mol.

What are the upstream and downstream products of (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate?

For (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate, Upstream Products: D-(-)-Quinic acid, 2,2-Dimethoxypropane; Downstream Products: Oseltamivir, Ethyl (1R,5R,6R)-5-(1-ethylpropoxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylate, Oseltamivir phosphate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate (CAS 204254-96-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1569542-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.