Chemical identity
Triclabendazole EP Impurity B /Triclabendazole Related Compound B
CAS 68828-69-3 · C13H7Cl3N2OS
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-30133 |
|---|---|
| PubChem CID | 4414182 |
| Name | Triclabendazole EP Impurity B /Triclabendazole Related Compound B |
| CAS RN | 68828-69-3 |
| Molecular formula | C13H7Cl3N2OS |
| Molecular weight | 345.6 g/mol |
| IUPAC name | 5-Chloro-6-(2,3-dichlorophenoxy)-1H-benzimidazole-2-thiol |
| InChIKey | FUAVONSJNAMFPO-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 3 rings, includes aromatic atoms, contains at least one halogen atom. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 3 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C1=CC(=C(C(=C1)Cl)Cl)OC2=C(C=C3C(=C2)NC(=S)N3)Cl |
|---|---|
| InChI | Not listed |
| Formula from structure | C13H7Cl3N2OS |
| Molecular weight from structure | 345.6 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 | CAS 68828-69-3 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 68828-69-3 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
04Names and relationships
Associated parent compound
Triclabendazole
View API and impurity familyOther names
- Triclabendazole EP Impurity B
- Triclabendazole Related Compound B
- 5-Chloro-6-(2,3-dichlorophenoxy)-1H-benzimidazole-2-thiol
- 68828-69-3
- ZB9HO25QQB
- RefChem:1072802
- 5-Chloro-6-(2,3-dichlorophenoxy)-1,3-dihydro-2H-benzo[d]imidazole-2-thione
- 5-chloro-6-(2,3-dichorophenoxy)-2-thio-1H-benzimidazole
- 5-chloro-6-(2,3-dichlorophenoxy)-1,3-dihydrobenzimidazole-2-thione
- 5-Chloro-6-(2,3-dichlorophenoxy)-1,3-dihydro-2H-Benzimidazole-2-thione
- AC1N9P61
- UNII-ZB9HO25QQB
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 4414182
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.
