Chemical identity
Sumatriptan Dimer Impurity
CAS 2144776-39-4 · C25H33N5O4S2
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-28648 |
|---|---|
| PubChem CID | 169438957 |
| Name | Sumatriptan Dimer Impurity |
| CAS RN | 2144776-39-4 |
| Molecular formula | C25H33N5O4S2 |
| Molecular weight | 531.7 g/mol |
| IUPAC name | 1-(3-(2-(dimethylamino)ethyl)-2-((5-((N-methylsulfamoyl)methyl)-1H-indol-3-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide |
| InChIKey | SZJAPOYVESASQE-UHFFFAOYSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C25H33N5O4S2 |
|---|---|
| InChIKey | SZJAPOYVESASQE-UHFFFAOYSA-N |
| Ring count | 4 |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | O=S(CC1=CC2=C(NC(CC3=CNC4=C3C=C(CS(=O)(NC)=O)C=C4)=C2CCN(C)C)C=C1)(NC)=O |
|---|---|
| InChI | InChI=1S/C25H33N5O4S2/c1-26-35(31,32)15-17-5-7-23-21(11-17)19(14-28-23)13-25-20(9-10-30(3)4)22-12-18(6-8-24(22)29-25)16-36(33,34)27-2/h5-8,11-12,14,26-29H,9-10,13,15-16H2,1-4H3 |
03Possible N-nitroso structures
A record-level structural review indicates a possible N-nitroso candidate. This is not a confirmed impurity, formation prediction or analytical finding.
A structural result alone does not establish that a nitrosamine forms. A process-specific and analytical assessment is required.
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 | NOT FOUND IN REVIEWED ENTRIES | CAS 2144776-39-4 was not found in the reviewed exact-identity entries. Generic, class, analogue, salt and isomer provisions were not evaluated. |
|---|---|---|
| SCOMET | NOT FOUND IN REVIEWED CAS ENTRIES | CAS 2144776-39-4 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
05Names and relationships
Associated parent compound
Sumatriptan
View API and impurity familyOther 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 169438957
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.
