
Chemical identity
Prasugrel Thiol Analog
CAS 204204-73-9 · C18H20FNO3S
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-25805 |
|---|---|
| PubChem CID | 10405534 |
| Name | Prasugrel Thiol Analog |
| CAS RN | 204204-73-9 |
| Molecular formula | C18H20FNO3S |
| Molecular weight | 349.42 g/mol |
| IUPAC name | (Z)-2-(1-(2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercaptopiperidin-3-ylidene)acetic acid |
| InChIKey | ZWUQVNSJSJHFPS-XFXZXTDPSA-N |
02Structure identifiers

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon, contains at least one halogen atom. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 2 |
| Ring count | 3 |
| Secondary amines | 0 |
| Tertiary amines | 1 |
| N-methyl amine sites | 0 |
| SMILES | C1CC1C(=O)C(C2=CC=CC=C2F)N3CCC(/C(=C\C(=O)O)/C3)S |
|---|---|
| InChI | Not listed |
| Formula from structure | C18H20FNO3S |
| Molecular weight from structure | 349.42 g/mol |
03Stereochemistry
The published structure contains 0 defined and 2 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
3 recordsThese records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.


(Z)-2-(1-(2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercaptopiperidin-3-ylidene)acetic acid
CAS not listed
ZWUQVNSJSJHFPS-UHFFFAOYSA-N
0 defined, 2 unassigned centres

Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.
04India 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 204204-73-9 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 204204-73-9 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
05Names and relationships
Associated parent compound
Prasugrel
View API and impurity familyOther names
- (2Z)-2-(1-(2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)acetic acid
- 204204-73-9
- R-138727
- (2Z)-2-[1-[2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-4-sulfanylpiperidin-3-ylidene]acetic acid
- FLN02B3F1J
- Acetic acid, 2-(1-(2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercapto-3-piperidinylidene)-, (2Z)-
- RefChem:905912
- Prasugrel metabolite
- 239466-74-1
- Prasugrel active metabolite
- trans-R-138727
- UNII-FLN02B3F1J
06Documented 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.
07Sources
- S01PubChem compound record, CID 10405534
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.
