
Chemical identity
Saxagliptin Impurity 13
CAS not listed · C18H25N3O2
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-35864 |
|---|---|
| PubChem CID | 124222564 |
| Name | Saxagliptin Impurity 13 |
| CAS RN | Not listed |
| Molecular formula | C18H25N3O2 |
| Molecular weight | 315.4 g/mol |
| IUPAC name | (1S,3R,5S)-2-[(2R)-2-amino-2-[(5S,7R)-3-hydroxy-1-adamantyl]acetyl]-2-azabicyclo[3.1.0]hexane-3-carbonitrile |
| InChIKey | QGJUIPDUBHWZPV-OUIVZHEPSA-N |
02Structure identifiers

The parsed structure contains 6 rings, includes aliphatic carbon, has 6 defined stereocentres. These statements are calculated from the published structure string.
| Defined stereocentres | 6 |
|---|---|
| Unassigned stereocentres | 2 |
| Ring count | 6 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C1[C@@H]2C[C@@H]2N([C@H]1C#N)C(=O)[C@@H](C34C[C@H]5C[C@@H](C3)CC(C5)(C4)O)N |
|---|---|
| InChI | Not listed |
| Formula from structure | C18H25N3O2 |
| Molecular weight from structure | 315.4 g/mol |
03Stereochemistry
The published structure contains 6 defined and 2 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
8 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 (1R,3S,5R)-2-((S)-2-Amino-2-((1r,3R,5R,7S)-3-hydroxyadamantan-1-yl)acetyl)-2-azabicyclo[3.1.0]hexane-3-carbonitrile](/structures/pubchem/66576989-300.png)
(1R,3S,5R)-2-((S)-2-Amino-2-((1r,3R,5R,7S)-3-hydroxyadamantan-1-yl)acetyl)-2-azabicyclo[3.1.0]hexane-3-carbonitrile
CAS not listed
QGJUIPDUBHWZPV-VFGQHSGRSA-N
6 defined, 2 unassigned centres
![Two-dimensional chemical structure of (1R,3S,5R)-2-[(2R)-2-Amino-2-[(5S,7R)-3-hydroxy-1-adamantyl]acetyl]-2-azabicyclo[3.1.0]hexane-3-carbonitrile](/structures/pubchem/124222565-300.png)
(1R,3S,5R)-2-[(2R)-2-Amino-2-[(5S,7R)-3-hydroxy-1-adamantyl]acetyl]-2-azabicyclo[3.1.0]hexane-3-carbonitrile
CAS not listed
QGJUIPDUBHWZPV-HLIYLWMNSA-N
6 defined, 2 unassigned centres



![Two-dimensional chemical structure of 2-Azabicyclo[3.1.0]hexane-3-carbonitrile, 2-[(2R)-2-amino-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)acetyl]-, (1R,3R,5R)-](/structures/pubchem/98431647-300.png)
2-Azabicyclo[3.1.0]hexane-3-carbonitrile, 2-[(2R)-2-amino-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)acetyl]-, (1R,3R,5R)-
CAS not listed
QGJUIPDUBHWZPV-RZRWRXESSA-N
6 defined, 2 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 | No CAS number is available for an exact comparison. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | No CAS number is available for an exact comparison. |
| 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
No parent compound is listed.
Other names
No synonyms are listed.
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 124222564
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.
