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13b-Ethyl-11-methylenegon-4-en-17-one

CAS No.
54024-21-4
Chemical Name:
13b-Ethyl-11-methylenegon-4-en-17-one
Synonyms
Desogestrel Impurity C;Desogestrel Intermediate;Desogestrel EP IMpurity C;Desogestrel InterMediates;Desogestrel USP Related Compound D;13-Ethyl-11-methylene-gon-4-en-17-one;13b-Ethyl-11-methylenegon-4-en-17-one;Desogestrel Impurity 3(EP Impurity C);13β-Ethyl-11-methylenegon-4-en-17-one;11-methylene-13-ethyl-gon-4-ene-17-one
CBNumber:
CB11175481
Molecular Formula:
C20H28O
Molecular Weight:
284.44
MDL Number:
MFCD08458336
MOL File:
54024-21-4.mol
MSDS File:
SDS
Last updated:2026-05-27 23:04:55

13b-Ethyl-11-methylenegon-4-en-17-one Properties

Melting point 99-1010C
Boiling point 412.5±44.0 °C(Predicted)
Density 1.05±0.1 g/cm3(Predicted)
storage temp. Sealed in dry,Room Temperature
solubility Chloroform (Slightly), Ethyl Acetate (Slightly)
form Solid
color White
Major Application pharmaceutical
InChI 1S/C20H28O/c1-3-20-12-13(2)19-15-7-5-4-6-14(15)8-9-16(19)17(20)10-11-18(20)21/h6,15-17,19H,2-5,7-12H2,1H3/t15-,16-,17-,19+,20/m0/s1
InChIKey KVNYZZFGXXHVMG-XFAGIWRCSA-N
SMILES O=C1C2([C@H]([C@H]3[C@@H]([C@H]4CCCC=C4CC3)C(=C)C2)CC1)CC
FDA UNII 8I5JC3O57T
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Health Hazard (GHS08)
GHS08
Signal word  Warning
Hazard statements  H351-H360-H302-H361-H312-H413-H332
Precautionary statements  P201-P202-P281-P308+P313-P405-P501-P201-P202-P281-P308+P313-P405-P501-P280-P302+P352-P312-P322-P363-P501-P264-P270-P301+P312-P330-P501-P261-P271-P304+P340-P312
WGK Germany  WGK 3
HS Code  2914299000
Storage Class 11 - Combustible Solids
Hazard Classifications Carc. 2
Repr. 2

13b-Ethyl-11-methylenegon-4-en-17-one price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-E925095-500MG 13Beta-Ethyl-11-methylenegon-4-en-17-one 54024-21-4 500mg $976 2026-06-03 Buy
TRC TRC-E925095-10MG 13Beta-Ethyl-11-methylenegon-4-en-17-one 54024-21-4 10mg $179 2026-06-03 Buy
Usbiological 011723 13β-Ethyl-11-methylenegon-4-en-17-one 54024-21-4 10mg $425 2026-06-03 Buy
Biosynth FE23088 13b-Ethyl-11-methylenegon-4-en-17-one 54024-21-4 0.25g $150 2026-06-04 Buy
Biosynth FE23088 13b-Ethyl-11-methylenegon-4-en-17-one 54024-21-4 0.5g $194.7 2026-06-04 Buy
Product number Packaging Price Buy
TRC-E925095-500MG 500mg $976 Buy
TRC-E925095-10MG 10mg $179 Buy
011723 10mg $425 Buy
FE23088 0.25g $150 Buy
FE23088 0.5g $194.7 Buy

13b-Ethyl-11-methylenegon-4-en-17-one Chemical Properties, Uses, Production

Chemical Properties

White Solid

Uses

Desogestrel intermediate

13b-Ethyl-11-methylenegon-4-en-17-one Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 120)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Lianyungang Gabriel Bio-chem Technology Co., Ltd. +86 (518) 8548-7361 lyggabriel@163.com China 20 64
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Nanjing MeiBo Biological Technology Co., Ltd. 025-58619198 sales@mbbio.com China 319 60
Daicel Chiral Technologies (China)CO.,LTD 021-50460086-9 15921403865 han_yajun@dctc.daicel.com China 7909 65
Wuhan Fortuna Chemical Co., Ltd 027-59207852 13308628970 buy@fortunachem.com China 2691 58
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-83725681-603 China 4484 50

View Latest Price from 13b-Ethyl-11-methylenegon-4-en-17-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Desogestrel Intermediate pictures 2026-09-15 Desogestrel Intermediate
54024-21-4
10g 99%min 30kg/month WUHAN FORTUNA CHEMICAL CO., LTD
13b-Ethyl-11-methylenegon-4-en-17-one pictures 2026-07-22 13b-Ethyl-11-methylenegon-4-en-17-one
54024-21-4
1G 99% 1KG Watson Biotechnology Co.,Ltd
13b-Ethyl-11-methylenegon-4-en-17-one  pictures 2026-04-10 13b-Ethyl-11-methylenegon-4-en-17-one
54024-21-4
$2.00-5.00 1KG 99% hplc 500TONS Wuhan JiyunZen Tech Co., Ltd.
13b-Ethyl-11-methylenegon-4-en-17-one 13-Ethyl-11-methylene-gon-4-en-17-one Desogestrel InterMediates Desogestrel EP IMpurity C (8S,9S,10R,14S)-13-Ethyl-11-methylene-2,3,7,8,9,10,11,12,13, 14,15,16-dodecahydro-1H-cyclopenta[a 11-methylene-13-ethyl-gon-4-ene-17-one (8S,9S,10R,14S)-13-Ethyl-11-methylene-2,3,7,8,9,10,11,12,13,14,15,16-dodecahydro-1H-cyclopenta 11-methlene-13-ethyl -18,19-dinor-androst-17-one (8S,9S,10R,14S)-13-Ethyl-11-methylene-2,3,7,8,9,10,11,12,13,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17(6H)-one Desogestrel Impurity 3(Desogestrel EP Impurity C) 13-ethyl-11-methylene-gon-4-en-17-one 54024-21-4 Desogestrel Impurity 3(EP Impurity C) Gon-4-en-17-one, 13-ethyl-11-methylene- 13β-Ethyl-11-methylenegon-4-en-17-one Desogestrel Intermediate 13-ethyl-11-methylene-gon-4-en-17-oneQ: What is 13-ethyl-11-methylene-gon-4-en-17-one Q: What is the CAS Number of 13-ethyl-11-methylene-gon-4-en-17-one Q: What is the storage condition of 13-ethyl-11-methylene-gon-4-en-17-one Q: What are the applications of 13-ethyl-11-methylene-gon-4-en-17-one Desogestrel Related Compound D (13-Ethyl-11-methylenegon-4-en-17-one) (1173279) 13-Ethyl-11-methylidenegon-4-en-17-one Desogestrel EP Impurity C/Desogestrel USP RC D 11-methylene-18-methyl-Estra-4-ene- 17-one Desogestrel Impurity C Desogestrel USP Related Compound D Desogestrel EP Impurity C (Desogestrel USP Related Compound D) 11-methylene-18methyl-4-estrene-17-one - ordini da 13Beta-Ethyl-11-methylenegon-4-en-17-one 13b-Ethyl-11-methylenegon-4-en-17-on (Desogestrel Intermediate) 11-methylene-13-ethyl-18,19-dinor-androst-17-one 54024-21-4 Intermediates & Fine Chemicals Pharmaceuticals Steroids API