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18-Methyl-11-methyleneestr-4-ene-3,17-dione

18-Methyl-11-methyleneestr-4-ene-3,17-dione structure

CAS No.: 54024-17-8

Chemical Name:: 18-Methyl-11-methyleneestr-4-ene-3,17-dione

Synonyms: 18-Methyl-11-me;Etonogestrel Impurity 3;Etonogestrel Impurity 17;Etonogestrel USP Impurity A;Etonogestrel Related CoMpound A;18-Methyl-11-methyleneestr-4-ene-3,17-dione;13β-ethyl-11-methyleneestr-4-ene-3,17-dione;Gon-4-ene-3,17-dione, 13-ethyl-11-Methylene-;13β-Ethyl-11-methyliden-gon-4(5)-ene-3,17-dione;Etonogestrel EP Impurity D (Etonogestrel USP Related Compound A)

CBNumber:: CB72651368

Molecular Formula:: C20H26O2

Molecular Weight:: 298.42

MDL Number:: MFCD08458337

MOL File:: 54024-17-8.mol

MSDS File:: SDS

Last updated:2026-05-28 05:22:58

Product description	Number	Pack Size	Price
Etonogestrel	ECA02417	5mg	$840.55
Etonogestrel	ECA02417	10mg	$1344.8
Etonogestrel	ECA02417	25mg	$2192.75
Etonogestrel	ECA02417	50mg	$3508
(8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione	AA00E3T0	10mg	$1150
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18-Methyl-11-methyleneestr-4-ene-3,17-dione Properties

Density	1.11
vapor pressure	0-0Pa at 20-25℃
form	Solid:particulate/powder
LogP	3.3 at 20℃ and pH7

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P280-P305+P351+P338
HS Code	2937230000
REACH Registrations	Active

18-Methyl-11-methyleneestr-4-ene-3,17-dione price More Price(16)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Biosynth	ECA02417	Etonogestrel	54024-17-8	5mg	$840.55	2026-06-04	Buy
Biosynth	ECA02417	Etonogestrel	54024-17-8	10mg	$1344.8	2026-06-04	Buy
Biosynth	ECA02417	Etonogestrel	54024-17-8	25mg	$2192.75	2026-06-04	Buy
Biosynth	ECA02417	Etonogestrel	54024-17-8	50mg	$3508	2026-06-04	Buy
aablocks	AA00E3T0	(8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione	54024-17-8	10mg	$1150	2026-05-28	Buy

Product number	Packaging	Price	Buy
ECA02417	5mg	$840.55	Buy
ECA02417	10mg	$1344.8	Buy
ECA02417	25mg	$2192.75	Buy
ECA02417	50mg	$3508	Buy
AA00E3T0	10mg	$1150	Buy

18-Methyl-11-methyleneestr-4-ene-3,17-dione Chemical Properties,Uses,Production

Uses

18-Methyl-11-methyleneestr-4-ene-3,17-dione is used in the preparation of Desogestrel (D296875), which is oral contraceptive.

18-Methyl-11-methyleneestr-4-ene-3,17-dione Preparation Products And Raw materials

Raw materials

Gon-5-ene-3,11,17-trione, 13-ethyl-, cyclic 3,17-bis(1,2-ethanediyl acetal) 1433398-79-8

Preparation Products

18-Methyl-11-methyleneestr-4-ene-3,17-dione Suppliers

Global( 29)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Moxin Chemicals	+86-17320513646 +8617320513646	anna@molcoo.com	China	10000	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Changsha Junyu Chemexpress.co., Ltd	+86-13723890100	info@csjyyy.cn	China	134	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	43333	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53803	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131957	58
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18190	56
Hangzhou J&H Chemical Co., Ltd.	0571-87396432	sales@jhechem.com	China	14916	59
Shenzhen Nexconn Pharmatechs Ltd.	0755-89396905	admin@nexconn.com	China	299	55
Beijing Solarbio Science & Tecnology Co., Ltd.	17801761073	3193328036@qq.com	China	6338	68

Supplier	Advantage
Moxin Chemicals	58
Standardpharm Co. Ltd.	58
Changsha Junyu Chemexpress.co., Ltd	58
HANGZHOU LEAP CHEM CO., LTD.	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58
Amadis Chemical Company Limited	58
Quality Control Solutions Ltd.	56
Hangzhou J&H Chemical Co., Ltd.	59
Shenzhen Nexconn Pharmatechs Ltd.	55
Beijing Solarbio Science & Tecnology Co., Ltd.	68

View Lastest Price from 18-Methyl-11-methyleneestr-4-ene-3,17-dione manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-16	Etonogestrel Impurity 7 54024-17-8		10mg	95%+	10000	Moxin Chemicals

Etonogestrel Impurity 7
54024-17-8
95%+
Moxin Chemicals

54024-17-8(18-Methyl-11-methyleneestr-4-ene-3,17-dione)Related Search:

Everolimus EP Impurity E 2-Piperidinecarboxylic acid, 1-[2-oxo-2-[(2R,3R,6S)-tetrahydro-2-hydroxy-6-[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,19Z,21R)-14-hydroxy-22-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]-2,13-dimethoxy-3,9,11,15,17,21-hexamethyl-12,18-dioxo-3,5,7,15,19-docosapentaen-1-yl]-3-methyl-2H-pyran-2-yl]ace... EzetiMibe-d4 Etoricoxib Impurity 18 4'-Methylthioacetophenone

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1of2

18-Methyl-11-methyleneestr-4-ene-3,17-dione Gon-4-ene-3,17-dione, 13-ethyl-11-Methylene- (8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenan 18-Methyl-11-me Etonogestrel Impurity 3 Etonogestrel Related CoMpound A (8S,9S,10R,14S)-13-Ethyl-11-Methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione (8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phe Etonogestrel Impurity 17 Etonogestrel Related Compound A (13Beta-Ethyl-11-methylenegon-4-ene-3,17-dione) (1268794) 13β-Ethyl-11-methyliden-gon-4(5)-ene-3,17-dione 13β-ethyl-11-methyleneestr-4-ene-3,17-dione Etonogestrel Related Compound A (10 mg) (13-Ethyl-11-methylenegon-4-ene-3,17-dione) Etonogestrel EP Impurity D (Etonogestrel USP Related Compound A) Etonogestrel USP Impurity A 54024-17-8 API