Chemical identity

Cyproterone Acetate EP Impurity E

CAS 17184-05-3 · C24H30O5

01Identity

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

Lazychem IDLC-11645
PubChem CID71749674
NameCyproterone Acetate EP Impurity E
CAS RN17184-05-3
Molecular formulaC24H30O5
Molecular weight398.50 g/mol
IUPAC name3,6,20-trioxo-1β,2β-dihydro-3′H-cyclopropa[1,2]pregna-1,4-dien-17-yl acetate
InChIKeyWIRUTYUSQYFQAC-FDTZYFLXSA-N

02Structure identifiers

2D structurePubChem CID 71749674
Two-dimensional chemical structure of Cyproterone Acetate EP Impurity E, CAS 17184-05-3
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 5 rings, includes aliphatic carbon, has 8 defined stereocentres. These statements are calculated from the published structure string.

Defined stereocentres8
Unassigned stereocentres0
Ring count5
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC(=O)[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC(=O)C4=CC(=O)[C@@H]5C[C@@H]5[C@]34C)C)OC(=O)C
InChINot listed
Formula from structureC24H30O5
Molecular weight from structure398.50 g/mol

03Stereochemistry

The published structure contains 8 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.

Defined centres8Structure assigned
Unassigned centres0Structure unspecified
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 256Before 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 17184-05-3 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 17184-05-3 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

Cyproterone

View API and impurity family

Other names

  • 3'H-Cyclopropa(1,2)pregna-1,4-diene-3,6,20-trione, 1beta,2beta-dihydro-17-hydroxy-, acetate
  • RefChem:484741
  • 6-Keto Cyproterone Acetate
  • 17184-05-3
  • [(1S,2S,3S,5R,11R,12S,15R,16S)-15-acetyl-2,16-dimethyl-6,9-dioxo-15-pentacyclo[9.7.0.02,8.03,5.012,16]octadec-7-enyl] acetate
  • (2aR,3aS,3bS,3cS,5aS,6R,8aS,8bR)-6-Acetyl-3b,5a-dimethyl-2,10-dioxo-2,2a,3,3a,3b,3c,4,5,5a,6,7,8,8a,8b,9,10-hexadecahydrocyclopenta[a]cyclopropa[g]phenanthren-6-yl acetate
  • Cyproterone Acetate EP Impurity E
  • 3'H-Cyclopropa[1,2]pregna-1,4-diene-3,6,20-trione, 1ss,2ss-dihydro-17-hydroxy-, acetate (8CI)
  • 1a,2a-Methylene-3,6,20-trioxopregna-4-en-17a-yl Acetate
  • 3,6,20-Trioxo-1ss,2ss-dihydro-3'H-cyclopropa[1,2]pregna-1,4-dien-17-yl Acetate
  • PT2TTV9KZT
  • DTXSID50857905

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