ChemicalBook > CAS DataBase List > 18-Methyl-11-methyleneestr-4-ene-3,17-dione

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

Product Name
18-Methyl-11-methyleneestr-4-ene-3,17-dione
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 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);Etonogestrel Related Compound A (10 mg) (13-Ethyl-11-methylenegon-4-ene-3,17-dione)
CBNumber
CB72651368
Molecular Formula
C20H26O2
Formula Weight
298.42
MOL File
54024-17-8.mol
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18-Methyl-11-methyleneestr-4-ene-3,17-dione Property

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

HS Code 
2937230000
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

American Custom Chemicals Corporation
Product number
SHG0005710
Product name
13-ETHYL-11-METHYLENE-GON-4-ENE-3,17-DIONE
Purity
95.00%
Packaging
5MG
Price
$499.55
Updated
2021/12/16
Matrix Scientific
Product number
094479
Product name
(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
Purity
95+%
Packaging
250mg
Price
$742
Updated
2021/12/16
Matrix Scientific
Product number
094479
Product name
(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
Purity
95+%
Packaging
1g
Price
$1647
Updated
2021/12/16
AK Scientific
Product number
Z6096
Product name
13-Ethyl-11-methylene-gon-4-ene-3,17-dione
Packaging
1g
Price
$2273
Updated
2021/12/16
Crysdot
Product number
CD13011247
Product name
(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
Purity
95+%
Packaging
250mg
Price
$309
Updated
2021/12/16
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18-Methyl-11-methyleneestr-4-ene-3,17-dione Chemical Properties,Usage,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

Preparation Products

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

ChemStrong Scientific Co.,Ltd
Tel
0755-0755-66853366 13670046396
Fax
0755-28363542
Email
sales@chem-strong.com
Country
China
ProdList
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Hangzhou J&H Chemical Co., Ltd.
Tel
0571-+86-571-87396432
Fax
0571-87396431
Email
sales@jhechem.com
Country
China
ProdList
11578
Advantage
59
Shenzhen Nexconn Pharmatechs Ltd.
Tel
0755-89396905
Email
admin@nexconn.com
Country
China
ProdList
299
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55
Beijing Solarbio Science & Tecnology Co., Ltd.
Tel
010-50973186 4009686088
Email
3193328036@qq.com
Country
China
ProdList
18338
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Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131957
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Taizhou Crene Biotechnology Co. Ltd.
Tel
+86-0576-88813233 +86-13396860566
Email
sales@pharm-intermediates.com
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China
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1991
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58
Guangzhou Dreampharm Biotechnology Co., Ltd.
Tel
020-36607679 17825480238
Fax
QQ 3008233717
Email
3008233746@qq.com
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China
ProdList
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Standardpharm Co. Ltd.
Tel
86-714-3992388
Email
overseasales1@yongstandards.com
Country
United States
ProdList
14332
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Jinan blalong chemical co. LTD
Tel
2710913286@.com
Email
1513643261@qq.com
Country
China
ProdList
14246
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Meng Cheng Technology (Shanghai) Co., LTD
Tel
400-820-6829
Email
sales@mitachieve.com
Country
China
ProdList
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54024-17-8, 18-Methyl-11-methyleneestr-4-ene-3,17-dioneRelated Search:


  • 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)
  • 54024-17-8
  • API