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Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate

Also known as: 5-Azido Oseltamivir, (3R,4R,5S)-4-(Acetylamino)-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylic Acid Ethyl Ester, ETHYL (3R,4R,5S)-4-ACETAMIDO-5-AZIDO-3-(1-ETHYLPROPOXY)CYCLOHEX-1-ENE-1-CARBOXYLATE, Ethyl(3R,4R,5S)-4-N-AcetaMido-5-azido-3- (1-ethylpropoxy)-1-cyclohexene-1-carboxylate

Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate (CAS 204255-06-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H26N4O4 and a molecular weight of 338.40200 g/mol. Key property: a melting point of 135-137°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
204255-06-1
Jingsj CID
J-1084971-5
Molecular Formula
C16H26N4O4
Molecular Weight
338.40200 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point135-137°C
Exact Mass338.19500
PSA114.38000
LogP2.48066
Storage Conditions-20?C Freezer

Frequently Asked Questions

What is the CAS number of Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate?

The CAS number of Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate is 204255-06-1.

What are the molecular formula and molecular weight of Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate?

Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate has molecular formula C16H26N4O4 and molecular weight 338.40200 g/mol.

What are the upstream and downstream products of Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate?

For Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate, Upstream Products: Acetyl chloride; Downstream Products: Oseltamivir, 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. "Ethyl (3R,4R,5S)-4-acetamido-5-azido-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylate (CAS 204255-06-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084971-5 (accessed 2026-11-09).

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