Chemical identity
Hydroxy Acetildenafil
CAS 147676-56-0 · C25H34N6O4
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-16697 |
|---|---|
| PubChem CID | 135564930 |
| Name | Hydroxy Acetildenafil |
| CAS RN | 147676-56-0 |
| Molecular formula | C25H34N6O4 |
| Molecular weight | 482.59 g/mol |
| IUPAC name | 5-(2-Ethoxy-5-(2-(4-(2-hydroxyethyl)piperazin-1-yl)acetyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one |
| InChIKey | RZVZQPAGIOECPK-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 4 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 4 |
| Secondary amines | 0 |
| Tertiary amines | 2 |
| N-methyl amine sites | 0 |
| SMILES | CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)C(=O)CN4CCN(CC4)CCO)OCC)C |
|---|---|
| InChI | Not listed |
| Formula from structure | C25H34N6O4 |
| Molecular weight from structure | 482.59 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 147676-56-0 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 147676-56-0 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
Sildenafil
View API and impurity familyOther names
- Hydroxyhongdenafil
- Hydroxyacetildenafil
- 147676-56-0
- EEX06K9B10
- J2.356.854C
- DTXSID10163776
- RefChem:147127
- DTXCID5086267
- UNII-EEX06K9B10
- 5-(2-Ethoxy-5-(2-(4-(2-hydroxyethyl)piperazin-1-yl)acetyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
- 5-(2-ethoxy-5-{2-[4-(2-hydroxyethyl)piperazin-1-yl]acetyl}phenyl)-1-methyl-3-propyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one
- 5-[2-ethoxy-5-[2-[4-(2-hydroxyethyl)piperazin-1-yl]acetyl]phenyl]-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one
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 135564930
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.
