D-Ethylgonendione

Also known as: 18-Methylestr-4-en-3,17-dione, 18-Methyl-4-estren-3,17-dione, 13-Ethylgon-4-ene-3,17-dione, Levonorgestrel EP Impurity L, Ethylgonendione, 13-Ethyl-gon-4-ene-3,17-dione, 18-Methyl-4-estrene-3,17-dione, Gon-4-ene-3,17-dione, 13-ethyl-

D-Ethylgonendione (CAS 21800-83-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H26O2 and a molecular weight of 286.409 g/mol. Key properties include a melting point of 1676-167ºC, a boiling point of 445.2±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 166.0±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21800-83-9
Jingsj CID: J-1355869-5
Molecular Formula: C₁₉H₂₆O₂
Molecular Weight: 286.409 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	1676-167ºC
Boiling Point	445.2±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	166.0±25.7 °C
Exact Mass	286.193268
PSA	34.14000
LogP	2.95
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.551
Storage Conditions	Refrigerator

Customs & Trade Information

HS Code	2914190090
Summary	2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of D-Ethylgonendione?

The CAS number of D-Ethylgonendione is 21800-83-9.

What are the molecular formula and molecular weight of D-Ethylgonendione?

D-Ethylgonendione has molecular formula C19H26O2 and molecular weight 286.409 g/mol.

What are the upstream and downstream products of D-Ethylgonendione?

For D-Ethylgonendione, Upstream Products: Methoxydienone, Levonorgestrel, Sodium bicarbonate; Downstream Products: Ethylmetrienone, 18-Methyl-estrone, Gestodene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "D-Ethylgonendione (CAS 21800-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355869-5 (accessed 2026-11-09).

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