
Chemical identity
2'-epi-Sofosbuvir Desphosphate
CAS not listed · C10H13FN2O5
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-39949 |
|---|---|
| PubChem CID | 57453626 |
| Name | 2'-epi-Sofosbuvir Desphosphate |
| CAS RN | Not listed |
| Molecular formula | C10H13FN2O5 |
| Molecular weight | 260.22 g/mol |
| IUPAC name | 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]pyrimidine-2,4-dione |
| InChIKey | ARKKGZQTGXJVKW-UZRKRJFESA-N |
02Structure identifiers

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon, has 4 defined stereocentres, contains at least one halogen atom. These statements are calculated from the published structure string.
| Defined stereocentres | 4 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 2 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C[C@@]1([C@@H]([C@H](O[C@H]1N2C=CC(=O)NC2=O)CO)O)F |
|---|---|
| InChI | Not listed |
| Formula from structure | C10H13FN2O5 |
| Molecular weight from structure | 260.22 g/mol |
03Stereochemistry
The published structure contains 4 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
4 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.


1-((2S,3S,4S,5S)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione
CAS not listed
ARKKGZQTGXJVKW-BNJNZJEJSA-N
4 defined, 0 unassigned centres
![Two-dimensional chemical structure of 1-[(2R)-2-Deoxy-2-fluoro-2-methyl-a-D-erythro-pentofuranosyl]-2, 4(1H, 3H)-pyrimidinedione, CAS 2041584-99-8](/structures/pubchem/78358468-300.png)
1-[(2R)-2-Deoxy-2-fluoro-2-methyl-a-D-erythro-pentofuranosyl]-2, 4(1H, 3H)-pyrimidinedione
CAS 2041584-99-8
ARKKGZQTGXJVKW-PJGXCUNHSA-N
4 defined, 0 unassigned centres

Sofosbuvir IP Impurity D / Fluorouridine / Sofosbuvir Desphosphate Impurity
CAS 863329-66-2
ARKKGZQTGXJVKW-VPCXQMTMSA-N
4 defined, 0 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 | No CAS number is available for an exact comparison. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | No CAS number is available for an exact comparison. |
| 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
No parent compound is listed.
Other names
No synonyms are listed.
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 57453626
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.
