Chemical identity
Omeprazole Related Compound F and G Mixture
CAS not listed · "Impurity F: C16H13N3O2S Impurity G: C16H13N3O2S "
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-32303 |
|---|---|
| PubChem CID | 71750080 |
| Name | Omeprazole Related Compound F and G Mixture |
| CAS RN | Not listed |
| Molecular formula | "Impurity F: C16H13N3O2S Impurity G: C16H13N3O2S " |
| Molecular weight | 311.36 g/mol |
| IUPAC name | Impurity-F : 8-methoxy-1, 3-dimethyl-12- thioxopyrido [1′, 2′:3, 4]imidazo[1, 2-a]benzimidazol-2(12H)-one. Impurity-G : 9-methoxy-1, 3-dimethyl-12-thioxopyrido [1′, 2′:3, 4]imidazo[1, 2-a]benzimidazol-2(12H)-one. |
| InChIKey | KIGDIRGFCHEIJR-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 8 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 8 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | O=C1C(C)=C2N(C3=NC4=CC(OC)=CC=C4N3C2=S)C=C1C.O=C5C(C)=C6N(C7=NC8=CC=C(OC)C=C8N7C6=S)C=C5C |
|---|---|
| InChI | Not listed |
| Formula from structure | C32H26N6O4S2 |
| Molecular weight from structure | 622.73 g/mol |
03India 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
04Names and relationships
Associated parent compound
Omeprazole
View API and impurity familyOther names
No synonyms are listed.
05Documented 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.
06Sources
- S01PubChem compound record, CID 71750080
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.
