
Chemical identity
Calcipotriol EP Impurity G
CAS not listed · C54H78O5
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-37553 |
|---|---|
| PubChem CID | 76965852 |
| Name | Calcipotriol EP Impurity G |
| CAS RN | Not listed |
| Molecular formula | C54H78O5 |
| Molecular weight | 807.2 g/mol |
| IUPAC name | trans-(1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5S)-5-[(E,1S,4R)-4-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-dihydroxy-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-cyclopropylpent-2-enoxy]-5-cyclopropylpent-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol |
| InChIKey | SWFKKEWQRMPWFV-GXAPPJGQSA-N |
02Structure identifiers

The parsed structure contains 8 rings, includes aliphatic carbon, has 14 defined stereocentres. These statements are calculated from the published structure string.
| Defined stereocentres | 14 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 8 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C[C@@H]([C@@H]1[C@@]2([C@H](/C(=C/C=C/3\C(=C)[C@H](C[C@@H](C3)O)O)/CCC2)CC1)C)/C=C/[C@@H](O[C@@H](C4CC4)/C=C/[C@H]([C@@H]5[C@@]6([C@H](/C(=C/C=C/7\C(=C)[C@H](C[C@@H](C7)O)O)/CCC6)CC5)C)C)C8CC8 |
|---|---|
| InChI | Not listed |
| Formula from structure | C54H78O5 |
| Molecular weight from structure | 807.2 g/mol |
03Stereochemistry
The published structure contains 14 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
2 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.


Calcipotriol EP Impurity H (Free Base)
CAS not listed
SWFKKEWQRMPWFV-KCUJSJJZSA-N
14 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 76965852
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.
