
API and parent drug
Valbenazine
CAS 1025504-45-3 · C24H38N2O4 · 6 related records
01API identity and structure

| API / medicine name | Valbenazine |
|---|---|
| CAS RN | 1025504-45-3 |
| PubChem CID | 24795069 |
| Molecular formula | C24H38N2O4 |
| Molecular weight | 418.6 g/mol |
| IUPAC name | [(2R,3R,11bR)-9,10-dimethoxy-3-(2-methylpropyl)-2,3,4,6,7,11b-hexahydro-1H-benzo[a]quinolizin-2-yl] (2S)-2-amino-3-methylbutanoate |
| Defined stereocentres | 4 |
| Unassigned stereocentres | 0 |
| SMILES | CC(C)C[C@@H]1CN2CCC3=CC(=C(C=C3[C@H]2C[C@H]1OC(=O)[C@H](C(C)C)N)OC)OC |
|---|---|
| InChI | Not listed |
| InChIKey | GEJDGVNQKABXKG-CFKGEZKQSA-N |
02Stereochemistry
The published structure contains 4 defined and 0 unassigned tetrahedral stereocentres. The exact wedge-and-dash depiction is shown above.
Published same-connectivity configurations
4 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.


(2R,3R,11bR)-Dihydrotetrabenazine D-Val
CAS Not listed
GEJDGVNQKABXKG-ZDXOVATRSA-N
4 defined, 0 unassigned centres

(2S,3R,11bR)-Dihydrotetrabenazine L-Val
CAS Not listed
GEJDGVNQKABXKG-DBBLALLESA-N
4 defined, 0 unassigned centres
![2D structure: (2S,3S,11bS)-3-Isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl L-valinate](/structures/pubchem/118922807/no-cas-2s-3s-11bs-3-isobutyl-9-10-dimethoxy-1-3-4-6-7-11b-hexahydro-2h-pyrido-2-1-a-isoquinolin-2-2d-structure-300.png)
(2S,3S,11bS)-3-Isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl L-valinate
CAS Not listed
GEJDGVNQKABXKG-UDSSINMLSA-N
4 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.
03Structural nitrosamine screen
No record-level structural candidate is currently published for this identity.
This result does not predict manufacturing conditions, formation, analytical findings or absence of risk. A process-specific assessment is required.
04India status for this compound
The result below applies only to this exact compound identity and CAS number.
| NDPS / RCS | NOT FOUND IN REVIEWED ENTRIES | No exact reviewed identity entry was found. Generic, class, analogue, salt and isomer provisions were not evaluated. Confirm the current official schedule before a regulatory decision. |
|---|---|---|
| SCOMET | NOT FOUND IN REVIEWED CAS ENTRIES | CAS 1025504-45-3 was not found in the reviewed exact-CAS mapping. Generic and analogue entries were not evaluated. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · source version 1985-09-16
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · source version 2026-03-11
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · source version 2024-09-02
06Sources
- S01PubChem compound record, CID 24795069
Structure, identifiers and machine-readable properties for the API identity.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. Vendor descriptions and contributed narrative text are not reproduced.
- S03Lazychem chemical records
Parent-family links use the supplied parent identity.


![2D structure: (2S,3S,11bS)-3-Isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-ol, CAS 164104-49-8](/structures/pubchem/44249892/164104-49-8-2s-3s-11bs-3-isobutyl-9-10-dimethoxy-1-3-4-6-7-11b-hexahydro-2h-pyrido-2-1-a-isoquinolin-2-2d-structure-300.png)


