
Identität
Entecavir
Nicht angegeben · C12H15N5O3
01Identität
| Lazychem ID | LC-55354 |
|---|---|
| CAS RN | Nicht angegeben |
| PubChem CID | 135398508 |
| Molecular formula | C12H15N5O3 |
| Molecular weight | 277.28 g/mol |
| IUPAC name | 2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one |
| InChIKey | QDGZDCVAUDNJFG-FXQIFTODSA-N |
02Struktur und Stereochemie

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon, has 3 defined stereocentres. These statements are calculated from the published structure string.
| Defined stereocentres | 3 |
|---|---|
| Ring count | 3 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| SMILES | C=C1[C@H](C[C@@H]([C@H]1CO)O)N2C=NC3=C2N=C(NC3=O)N |
|---|---|
| InChI | Nicht angegeben |
03Stereochemistry
The published structure contains 3 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
7 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.





Entecavir EP Impurity B / Entecavir 3-Epimer
CAS 1367369-77-4
QDGZDCVAUDNJFG-CSMHCCOUSA-N
3 defined, 0 unassigned centres

Entecavir EP Impurity D/ Entecavir 4-Epimer/ (1S,3R,4R)-Entecavir
CAS 1367369-80-9
QDGZDCVAUDNJFG-BIIVOSGPSA-N
3 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.
04Status in Indien
Exact-compound status is evaluated only against the published name and CAS number. Confirm the current official instrument before a regulatory decision.
05Namen und Beziehungen
API und Ausgangsarzneistoff
Nicht angegeben
Namen und Beziehungen
06Quellen
- S01PubChem CID 135398508
Structure and machine-readable chemical identifiers.
