13b-Ethyl-11-methylenegon-4-en-17-one
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- $130 - $2551
- Product name: 13b-Ethyl-11-methylenegon-4-en-17-one
- CAS: 54024-21-4
- MF: C20H28O
- MW: 284.44
- EINECS:251-228-4
- MDL Number:MFCD08458336
- Synonyms: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;(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
26 prices
Selected condition:
Brand
- aablocks
- AK Scientific
- American Custom Chemicals Corporation
- Biosynth
- Chemenu
- Crysdot
- Matrix Scientific
- TRC
- Usbiological
Package
- 10MG
- 25mg
- 100MG
- 0.25g
- 250mg
- 0.5g
- 500mg
- 1g
- 5g
- 10g
- Manufactureraablocks
- Product numberAA00DBH4
- Product description(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
- Packaging25mg
- Price$1050
- Updated2026-05-28
- Buy
- ManufacturerAK Scientific
- Product number7749AB
- Product description(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
- Packaging250mg
- Price$2551
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAPN0001919
- Product description13 -ETHYL-11-METHYLENEGON-4-EN-17-ONE 95.00%
- Packaging100MG
- Price$1732.5
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAPN0001919
- Product description13 -ETHYL-11-METHYLENEGON-4-EN-17-ONE 95.00%
- Packaging10MG
- Price$721.88
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFE23088
- Product description13b-Ethyl-11-methylenegon-4-en-17-one
- Packaging1g
- Price$324.5
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFE23088
- Product description13b-Ethyl-11-methylenegon-4-en-17-one
- Packaging0.25g
- Price$150
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFE23088
- Product description13b-Ethyl-11-methylenegon-4-en-17-one
- Packaging0.5g
- Price$194.7
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFE23088
- Product description13b-Ethyl-11-methylenegon-4-en-17-one
- Packaging5g
- Price$1103.3
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFE23088
- Product description13b-Ethyl-11-methylenegon-4-en-17-one
- Packaging10g
- Price$1557.6
- Updated2026-06-04
- Buy
- ManufacturerChemenu
- Product numberCM202400
- Product description13-Ethyl-11-methylenegon-4-en-17-one 95%
- Packaging1g
- Price$636
- Updated2021-12-16
- Buy
- ManufacturerChemenu
- Product numberCM202400
- Product description13-Ethyl-11-methylenegon-4-en-17-one 95%
- Packaging1g
- Price$636
- Updated2026-05-20
- Buy
- ManufacturerChemenu
- Product numberCM202400
- Product description13-Ethyl-11-methylenegon-4-en-17-one 95%
- Packaging1g
- Price$636
- Updated2026-05-26
- Buy
- ManufacturerCrysdot
- Product numberCD13011246
- Product description(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 95+%
- Packaging1g
- Price$673
- Updated2021-12-16
- Buy
- ManufacturerCrysdot
- Product numberCD13011246
- Product description(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 95+%
- Packaging1g
- Price$673
- Updated2026-05-20
- Buy
- ManufacturerCrysdot
- Product numberCD13011246
- Product description(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 95+%
- Packaging1g
- Price$673
- Updated2026-05-27
- Buy
- ManufacturerCrysdot
- Product numberCD13011246
- Product description(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 95+%
- Packaging250mg
- Price$269
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00DBH4 | (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 | 25mg | $1050 | 2026-05-28 | Buy |
| AK Scientific | 7749AB | (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 | 250mg | $2551 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | APN0001919 | 13 -ETHYL-11-METHYLENEGON-4-EN-17-ONE 95.00% | 100MG | $1732.5 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | APN0001919 | 13 -ETHYL-11-METHYLENEGON-4-EN-17-ONE 95.00% | 10MG | $721.88 | 2021-12-16 | Buy |
| Biosynth | FE23088 | 13b-Ethyl-11-methylenegon-4-en-17-one | 1g | $324.5 | 2026-06-04 | Buy |
| Biosynth | FE23088 | 13b-Ethyl-11-methylenegon-4-en-17-one | 0.25g | $150 | 2026-06-04 | Buy |
| Biosynth | FE23088 | 13b-Ethyl-11-methylenegon-4-en-17-one | 0.5g | $194.7 | 2026-06-04 | Buy |
| Biosynth | FE23088 | 13b-Ethyl-11-methylenegon-4-en-17-one | 5g | $1103.3 | 2026-06-04 | Buy |
| Biosynth | FE23088 | 13b-Ethyl-11-methylenegon-4-en-17-one | 10g | $1557.6 | 2026-06-04 | Buy |
| Chemenu | CM202400 | 13-Ethyl-11-methylenegon-4-en-17-one 95% | 1g | $636 | 2021-12-16 | Buy |
| Chemenu | CM202400 | 13-Ethyl-11-methylenegon-4-en-17-one 95% | 1g | $636 | 2026-05-20 | Buy |
| Chemenu | CM202400 | 13-Ethyl-11-methylenegon-4-en-17-one 95% | 1g | $636 | 2026-05-26 | Buy |
| Crysdot | CD13011246 | (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 95+% | 1g | $673 | 2021-12-16 | Buy |
| Crysdot | CD13011246 | (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 95+% | 1g | $673 | 2026-05-20 | Buy |
| Crysdot | CD13011246 | (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 95+% | 1g | $673 | 2026-05-27 | Buy |
| Crysdot | CD13011246 | (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 95+% | 250mg | $269 | 2021-12-16 | Buy |
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
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
Safety Information
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Description
Desogestrel intermediateRelated product price
-
Desogestrel
$29-1880 -
Desogestrel EP IMpurity B
$1427.8-10708.5 -
13b-Ethyl-11-methylenegon-4-en-17-one
$130-2551




