Chemical identity
Tenofovir 9-propenyladenine / Tenofovir Disoproxil Related Compound B / Tenofovir Disoproxil Fumarate IP Impurity K
CAS 4121-40-8 · C8H9N5
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-29038 |
|---|---|
| PubChem CID | 53636214 |
| Name | Tenofovir 9-propenyladenine / Tenofovir Disoproxil Related Compound B / Tenofovir Disoproxil Fumarate IP Impurity K |
| CAS RN | 4121-40-8 |
| Molecular formula | C8H9N5 |
| Molecular weight | 175.19 g/mol |
| IUPAC name | (E)-9-(prop-1-en-1-yl)-9H-purin-6-amine |
| InChIKey | ACWCANXGLNLMJB-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 | CC=CN1C=NC2=C(N=CN=C21)N |
|---|---|
| InChI | Not listed |
| Formula from structure | C8H9N5 |
| Molecular weight from structure | 175.19 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 4121-40-8 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 4121-40-8 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
Tenofovir
View API and impurity familyOther names
- 9-(1-Propen-1-yl)-9H-purin-6-amine
- DTXSID501296376
- RefChem:1074886
- DTXCID501726886
- 4121-40-8
- (Z)-Mutagenic Impurity of Tenofovir Disoproxil
- 9H-Purin-6-amine, 9-(1-propenyl)-
- 9-prop-1-enylpurin-6-amine
- Mutagenic Impurity of Tenofovir Disoproxil
- Tenofovir Impurity 2
- SCHEMBL8540979
- AKOS028110083
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 53636214
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.
