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Details

Stereochemistry ABSOLUTE
Molecular Formula C21H28O
Molecular Weight 296.4464
Optical Activity UNSPECIFIED
Defined Stereocenters 6 / 6
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of 11-METHYLENELYNESTRENOL

SMILES

C[C@]12CC(=C)[C@H]3[C@@H](CCC4=CCCC[C@H]34)[C@@H]1CC[C@@]2(O)C#C

InChI

InChIKey=DKRPZVPROVDZCP-OLGWUGKESA-N
InChI=1S/C21H28O/c1-4-21(22)12-11-18-17-10-9-15-7-5-6-8-16(15)19(17)14(2)13-20(18,21)3/h1,7,16-19,22H,2,5-6,8-13H2,3H3/t16-,17-,18-,19+,20-,21-/m0/s1

HIDE SMILES / InChI

Molecular Formula C21H28O
Molecular Weight 296.4464
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 6 / 6
E/Z Centers 0
Optical Activity UNSPECIFIED

Approval Year

Substance Class Chemical
Created
by admin
on Mon Mar 31 21:10:14 GMT 2025
Edited
by admin
on Mon Mar 31 21:10:14 GMT 2025
Record UNII
B7P8OXD0AN
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
DESOGESTREL IMPURITY B
EP  
Preferred Name English
11-METHYLENELYNESTRENOL
Common Name English
DESOGESTREL IMPURITY B [EP IMPURITY]
Common Name English
11-METHYLENE LYNESTRENOL [USP IMPURITY]
Common Name English
19-NORPREGN-4-EN-20-YN-17-OL, 11-METHYLENE-, (17.ALPHA.)-
Common Name English
Code System Code Type Description
SMS_ID
300000053005
Created by admin on Mon Mar 31 21:10:14 GMT 2025 , Edited by admin on Mon Mar 31 21:10:14 GMT 2025
PRIMARY
EPA CompTox
DTXSID20202367
Created by admin on Mon Mar 31 21:10:14 GMT 2025 , Edited by admin on Mon Mar 31 21:10:14 GMT 2025
PRIMARY
PUBCHEM
71587177
Created by admin on Mon Mar 31 21:10:14 GMT 2025 , Edited by admin on Mon Mar 31 21:10:14 GMT 2025
PRIMARY
CAS
54024-12-3
Created by admin on Mon Mar 31 21:10:14 GMT 2025 , Edited by admin on Mon Mar 31 21:10:14 GMT 2025
PRIMARY
FDA UNII
B7P8OXD0AN
Created by admin on Mon Mar 31 21:10:14 GMT 2025 , Edited by admin on Mon Mar 31 21:10:14 GMT 2025
PRIMARY
Related Record Type Details
PARENT -> IMPURITY
CHROMATOGRAPHIC PURITY (HPLC/UV)
USP