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13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate

Also known as: (17α)-13-ethyl-17-(1-oxobutoxy)-18,19-dinorpregn-4-en-20-yn-3-one, 13-ethyl-17α-(1-oxobutoxy)-18,19-dinorpregn-4-en-20-yn-3-one, 13-ethyl-17α-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate, 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-(1-oxobutoxy)-, (17α)-, EINECS 289-270-0, L929CBB126, Levonorgestrel butanoate, Levonorgestrel butyrate, Levonorgestrel n-butanoate, UNII-L929CBB126, [(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] butanoate

13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate (CAS 86679-33-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C25H34O3 and a molecular weight of 383.54400 g/mol. Key properties include a boiling point of 491.7ºC at 760 mmHg, a density of 1.11g/cm3 and a flash point of 210.7ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
86679-33-6
Jingsj CID
J-953625-8
Molecular Formula
C25H34O3
Molecular Weight
383.54400 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point491.7ºC at 760 mmHg
Density1.11g/cm3
Flash Point210.7ºC
Exact Mass383.25900
PSA43.37000
LogP5.35660
Refractive Index1.545

Frequently Asked Questions

What is the CAS number of 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate?

The CAS number of 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate is 86679-33-6.

What are the molecular formula and molecular weight of 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate?

13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate has molecular formula C25H34O3 and molecular weight 383.54400 g/mol.

What are the upstream and downstream products of 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate?

For 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate, Upstream Products: Levonorgestrel, Butyric acid, Butyryl chloride.

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

Last updated:

How to cite: Jingsj. "13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate (CAS 86679-33-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-953625-8 (accessed 2026-11-09).

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