Chemical identity
Vardenafil Hydroxy Impurity
CAS 224785-98-2 · C23H32N6O5S
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-30592 |
|---|---|
| PubChem CID | 135487732 |
| Name | Vardenafil Hydroxy Impurity |
| CAS RN | 224785-98-2 |
| Molecular formula | C23H32N6O5S |
| Molecular weight | 504.6 g/mol |
| IUPAC name | 1-[[3-(1,4-Dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-hydroxyethyl-piperazine |
| InChIKey | KZFHUILKKFVOMB-UHFFFAOYSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C23H32N6O5S |
|---|---|
| InChIKey | KZFHUILKKFVOMB-UHFFFAOYSA-N |
| Ring count | 4 |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | CCCC1=NC(=C2N1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)CCO)OCC)C |
|---|---|
| InChI | InChI=1S/C23H32N6O5S/c1-4-6-20-24-16(3)21-23(31)25-22(26-29(20)21)18-15-17(7-8-19(18)34-5-2)35(32,33)28-11-9-27(10-12-28)13-14-30/h7-8,15,30H,4-6,9-14H2,1-3H3,(H,25,26,31) |
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 | NOT FOUND IN REVIEWED ENTRIES | CAS 224785-98-2 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 224785-98-2 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
04Names and relationships
Associated parent compound
Vardenafil
View API and impurity familyOther names
- Hydroxyvardenafil
- 2-[2-ethoxy-5-[4-(2-hydroxyethyl)piperazin-1-yl]sulfonylphenyl]-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one
- 1-Piperazineethanol, 4-((3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo(5,1-f)(1,2,4)triazin-2-yl)-4-ethoxyphenyl)sulfonyl)-
- 2-(2-Ethoxy-5-((4-(2-hydroxyethyl)-1-piperazinyl)sulfonyl)phenyl)-5-methyl-7-propylimidazo(5,1-f)(1,2,4)triazin-4(1H)-one
- 2-(2-Ethoxy-5-((4-(2-hydroxyethyl)piperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
- 2-(2-ethoxy-5-((4-(2-hydroxyethyl)piperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one
- Imidazo(5,1-f)(1,2,4)triazin-4(1H)-one, 2-(2-ethoxy-5-((4-(2-hydroxyethyl)-1-piperazinyl)sulfonyl)phenyl)-5-methyl-7-propyl-
- Imidazo[5,1-f][1,2,4]triazin-4(1H)-one, 2-[2-ethoxy-5-[[4-(2-hydroxyethyl)-1-piperazinyl]sulfonyl]phenyl]-5-methyl-7-propyl-
- 1-Piperazineethanol, 4-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]- (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 135487732
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.
