
Identità
Dexamethasone Impurity 39
Non indicato · C22H27FO4
01Identità
| Lazychem ID | LC-37051 |
|---|---|
| CAS RN | Non indicato |
| PubChem CID | 88833620 |
| Molecular formula | C22H27FO4 |
| Molecular weight | 374.4 g/mol |
| IUPAC name | 2-[(8S,9R,10S,11S,13S,14S,16R)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-ylidene]-2-hydroxyacetaldehyde |
| InChIKey | TYYMPHSFTLTHRI-KVORHNEQSA-N |
02Struttura e stereochimica

The parsed structure contains 4 rings, includes aliphatic carbon, has 7 defined stereocentres, contains at least one halogen atom. These statements are calculated from the published structure string.
| Defined stereocentres | 7 |
|---|---|
| Ring count | 4 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| SMILES | C[C@@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2(C1=C(C=O)O)C)O)F)C |
|---|---|
| InChI | Non indicato |
03Stereochemistry
The published structure contains 7 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
6 recordsThese records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.



Betamethasone-(E)-enolaldehyde/ (E)-Betamethasone-∆17,20 21-Aldehyde
CAS 52647-07-1
TYYMPHSFTLTHRI-OHKLHEPBSA-N
6 defined, 1 unassigned centres

Betamethasone-(Z)-enolaldehyde/ (Z)-Betamethasone-∆17,20 21-Aldehyde
CAS 52647-06-0
TYYMPHSFTLTHRI-HPHSSAEMSA-N
5 defined, 2 unassigned centres

Betamethasone-∆17,20 21-Aldehyde (Mixture of Isomers)
CAS 6762-45-4
TYYMPHSFTLTHRI-UHFFFAOYSA-N
0 defined, 7 unassigned centres

Dexamethasone-Δ 17,20 21-Aldehyde
CAS 6762-51-2
TYYMPHSFTLTHRI-KNUORSFASA-N
7 defined, 0 unassigned centres
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.
04Stato in India
Exact-compound status is evaluated only against the published name and CAS number. Confirm the current official instrument before a regulatory decision.
05Nomi e relazioni
API e farmaco progenitore
Non indicato
Nomi e relazioni
06Fonti
- S01PubChem CID 88833620
Structure and machine-readable chemical identifiers.
