
Chemical identity
Epiallobiotin, (+ / -)-
CAS not listed · C10H16N2O3S
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-48509 |
|---|---|
| PubChem CID | 6604192 |
| Name | Epiallobiotin, (+ / -)- |
| CAS RN | Not listed |
| Molecular formula | C10H16N2O3S |
| Molecular weight | 244.31 g/mol |
| IUPAC name | 5-[(3aS,4R,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoic acid |
| InChIKey | YBJHBAHKTGYVGT-BHNWBGBOSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C10H16N2O3S |
|---|---|
| InChIKey | YBJHBAHKTGYVGT-BHNWBGBOSA-N |
| Ring count | 2 |
| Defined stereocentres | 3 |
| Unassigned stereocentres | 0 |
| SMILES | C1[C@@H]2[C@@H]([C@H](S1)CCCCC(=O)O)NC(=O)N2 |
|---|---|
| InChI | InChI=1S/C10H16N2O3S/c13-8(14)4-2-1-3-7-9-6(5-16-7)11-10(15)12-9/h6-7,9H,1-5H2,(H,13,14)(H2,11,12,15)/t6-,7-,9+/m1/s1 |
03Stereochemistry
The published structure contains 3 defined and 0 unassigned tetrahedral stereocentres. The exact wedge-and-dash depiction is shown above.
Published same-connectivity configurations
6 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.


5-((3AS,4R,6AR)-2-Oxohexahydro-1H-thieno(3,4-D)imidazol-4-YL)pentanoic acid
CAS Not listed
YBJHBAHKTGYVGT-OOZYFLPDSA-N
3 defined, 0 unassigned centres

5-(2-Oxo-1,3,3a,4,6,6a-hexahydrothieno(3,4-d)imidazol-4-yl)pentanoic acid
CAS Not listed
YBJHBAHKTGYVGT-FJXKBIBVSA-N
3 defined, 0 unassigned centres
![2D structure: 5-[(3aR,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoic acid](/structures/pubchem/7048621/no-cas-5-3ar-4s-6ar-2-oxo-1-3-3a-4-6-6a-hexahydrothieno-3-4-d-imidazol-4-yl-pentanoic-acid-2d-structure-300.png)
5-[(3aR,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoic acid
CAS Not listed
YBJHBAHKTGYVGT-ACLDMZEESA-N
3 defined, 0 unassigned centres
![2D structure: 5-[(3aR,4S,6aS)-2-oxo-hexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoic acid](/structures/pubchem/6347547/no-cas-5-3ar-4s-6as-2-oxo-hexahydro-1h-thieno-3-4-d-imidazol-4-yl-pentanoic-acid-2d-structure-300.png)
5-[(3aR,4S,6aS)-2-oxo-hexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoic acid
CAS Not listed
YBJHBAHKTGYVGT-BKPPORCPSA-N
3 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 | NOT FOUND IN REVIEWED ENTRIES | No CAS number is available for an exact comparison. Generic and analogue entries were not evaluated. |
|---|---|---|
| SCOMET | NOT FOUND IN REVIEWED CAS ENTRIES | No CAS number is available for an exact comparison. 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
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 6604192
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.
