Chemical identity
Albendazole EP Impurity K
CAS 70484-51-4 · C13H17N3O2S
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-05275 |
|---|---|
| PubChem CID | 155928960 |
| Name | Albendazole EP Impurity K |
| CAS RN | 70484-51-4 |
| Molecular formula | C13H17N3O2S |
| Molecular weight | 279.36 g/mol |
| IUPAC name | Methyl-N-(5-[butylsulfanyl]-1-H-benzimidazol-2-yl)carbamate |
| InChIKey | GMEDISLGMMABLS-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 2 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | CCCCSC1=CC2=C(C=C1)N=C(N2)NC(=O)OC |
|---|---|
| InChI | Not listed |
| Formula from structure | C13H17N3O2S |
| Molecular weight from structure | 279.36 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 70484-51-4 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 70484-51-4 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
Albendazole
View API and impurity familyOther names
- Albendazole BP Impurity K
- Albendazole Impurity K
- Methyl-N-(5-[butylsulfanyl]-1-H-benzimidazol-2-yl)carbamate
- 70484-51-4
- Albendazole EP Impurity K
- UNII-FEL42P3U28
- FEL42P3U28
- Albendazole impurity K [EP]
- Methyl (5-(butylthio)-1H-benzo[d]imidazol-2-yl)carbamate
- Carbamic acid, (5-(butylthio)-1H-benzimidazol-2-yl)-, methyl ester
- methyl N-(6-butylsulfanyl-1H-benzimidazol-2-yl)carbamate
- Carbamic acid, [5-(butylthio)-1H-benzimidazol-2-yl]-, methyl ester (9CI)
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 155928960
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.
