
Chemical identity
Cinchonine
CAS 118-10-5 · C19H22N2O
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-10766 |
|---|---|
| PubChem CID | 90454 |
| Name | Cinchonine |
| CAS RN | 118-10-5 |
| Molecular formula | C19H22N2O |
| Molecular weight | 294.39 g/mol |
| IUPAC name | (S)-quinolin-4-yl((1S,2R,4S,5R)-5-vinylquinuclidin-2-yl)methanol |
| InChIKey | KMPWYEUPVWOPIM-QAMTZSDWSA-N |
02Structure identifiers

The parsed structure contains 5 rings, includes aromatic atoms, includes aliphatic carbon, has 4 defined stereocentres. These statements are calculated from the published structure string.
| Defined stereocentres | 4 |
|---|---|
| Unassigned stereocentres | 1 |
| Ring count | 5 |
| Secondary amines | 0 |
| Tertiary amines | 1 |
| N-methyl amine sites | 0 |
| SMILES | C=C[C@H]1CN2CC[C@H]1C[C@@H]2[C@H](C3=CC=NC4=CC=CC=C34)O |
|---|---|
| InChI | Not listed |
| Formula from structure | C19H22N2O |
| Molecular weight from structure | 294.39 g/mol |
03Stereochemistry
The published structure contains 4 defined and 1 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
3 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.

![Two-dimensional chemical structure of (S)-[(2R,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-quinolin-4-ylmethanol](/structures/pubchem/2724372-300.png)
(S)-[(2R,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-quinolin-4-ylmethanol
CAS not listed
KMPWYEUPVWOPIM-FGVBSWQGSA-N
3 defined, 2 unassigned centres

Quinine EP Impurity B/ Cinchonidine (Free Base)
CAS 485-71-2
KMPWYEUPVWOPIM-KODHJQJWSA-N
4 defined, 1 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.
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 / RCS | NO EXACT MATCH FOUND | CAS 118-10-5 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 118-10-5 has no exact match in the reviewed SCOMET list. |
| Review date | 2026-08-01 | Recheck the current official instruments for the material, concentration, activity and date in question. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · reviewed 2026-08-01
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · reviewed 2026-08-01
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · reviewed 2026-08-01
05Names and relationships
Associated parent compound
Quinidine sulfate
View API and impurity familyOther names
- cinchonine
- 118-10-5
- D-Cinchonine
- (9S)-Cinchonan-9-ol
- Cinchonan-9-ol, (9S)-
- (8R,9S)-Cinchonine
- (+)-Cinconine
- DTXSID6045082
- NSC-6176
- V43X79NZCD
- CHEBI:27509
- DTXCID801474963
06Documented history
Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.
No verified discovery, first report, occurrence, use or issue event is currently available for this identity.
07Sources
- S01PubChem compound record, CID 90454
Names and machine-readable chemical identity properties.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. This page does not reproduce vendor descriptions or contributed narrative text.
- S03Narcotic Drugs and Psychotropic Substances Act, 1985, Schedule
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S04Controlled-substances notifications and amendments
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S05Appendix 3, SCOMET List
Directorate General of Foreign Trade, Government of India. Used for the exact-compound India status shown on this page.
