Chemical identity

13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17beta-ol

CAS 7443-72-3 · C20H26O2

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-18603
PubChem CID111300
Name13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17beta-ol
CAS RN7443-72-3
Molecular formulaC20H26O2
Molecular weight298.43 g/mol
IUPAC name(13S,14S,17S)-13-ethyl-3-methoxy-7,11,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-ol
InChIKeyVOVSXUVLXBTVLM-UFYCRDLUSA-N

02Structure identifiers

2D structurePubChem CID 111300
Two-dimensional chemical structure of 13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17beta-ol, CAS 7443-72-3
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 4 rings, includes aromatic atoms, includes aliphatic carbon, has 3 defined stereocentres. These statements are calculated from the published structure string.

Defined stereocentres3
Unassigned stereocentres0
Ring count4
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC[C@]12CCC3=C([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4)OC
InChINot listed
Formula from structureC20H26O2
Molecular weight from structure298.43 g/mol

03Stereochemistry

The published structure contains 3 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.

Defined centres3Structure assigned
Unassigned centres0Structure unspecified
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 8Before symmetry reduction

Published same-connectivity configurations

1 record

These records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.

No additional structure-linked configuration with the same connectivity is currently present in the LazyChem dataset.

Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.

04India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDCAS 7443-72-3 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 7443-72-3 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

05Names and relationships

Associated parent compound

Levonorgestrel

View API and impurity family

Other names

  • Levonorgestrel Impurity 1
  • 13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17beta-ol
  • 7443-72-3
  • (13S,14S,17S)-13-ethyl-3-methoxy-6,7,11,12,14,15,16,17-octahydrocyclopenta[a]phenanthren-17-ol
  • (17beta)-13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17-ol
  • EINECS 231-188-4
  • (17?)-13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17-ol
  • VOVSXUVLXBTVLM-UFYCRDLUSA-N
  • SCHEMBL8053086
  • DTXSID901210372
  • Gona-1,3,5(10),8-tetraen-17-ol, 13-ethyl-3-methoxy-, (17b)-
  • AKOS016008795

Related records from the same parent family

06Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

07Sources