
Chemical identity
9-Chloro Halobetasol Propionate
CAS 66852-61-7 · C25H31Cl2FO5
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-04046 |
|---|---|
| PubChem CID | 71587233 |
| Name | 9-Chloro Halobetasol Propionate |
| CAS RN | 66852-61-7 |
| Molecular formula | C25H31Cl2FO5 |
| Molecular weight | 501.42 g/mol |
| IUPAC name | 9,21-Dichloro-6A,-fluoro-11B,17-dihydroxy-16B-methylpregna-1,4-diene-3,20-dione 17-propionate |
| InChIKey | DRPFKMAMNGPPDJ-LICBFIPMSA-N |
02Structure identifiers

The parsed structure contains 4 rings, includes aliphatic carbon, has 9 defined stereocentres, contains at least one halogen atom. These statements are calculated from the published structure string.
| Defined stereocentres | 9 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 4 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | CCC(=O)O[C@@]1([C@H](C[C@@H]2[C@@]1(C[C@@H]([C@]3([C@H]2C[C@@H](C4=CC(=O)C=C[C@@]43C)F)Cl)O)C)C)C(=O)CCl |
|---|---|
| InChI | Not listed |
| Formula from structure | C25H31Cl2FO5 |
| Molecular weight from structure | 501.42 g/mol |
03Stereochemistry
The published structure contains 9 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
1 recordThese records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.

No additional structure-linked configuration with the same connectivity is currently present in the LazyChem dataset.
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 66852-61-7 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 66852-61-7 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
Halobetasol Propionate
View API and impurity familyOther names
- 9α-Chloro-9-desfluoro Halobetasol 17-Propionate
- (6α,11β,16β)-9,21-Dichloro-6-fluoro-11-hydroxy-16-methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione
- (6S,8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-17-(2-chloroacetyl)-6-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl Propionate
- 9-Chloro halobetasol propionate, 9,21-Dichloro-6A,-fluoro-11B,17-dihydroxy-16B-methylpregna-1,4-diene-3,20-dione 17-propionate (USP)
- 9-Chloro halobetasol propionate
- 66852-61-7
- UNII-7P6H3332RL
- 7P6H3332RL
- DTXSID50216977
- CGP-15900
- 9,21-DICHLORO-6.ALPHA.,-FLUORO-11.BETA.,17-DIHYDROXY-16.BETA.-METHYLPREGNA-1,4-DIENE-3,20-DIONE 17-PROPIONATE
- PREGNA-1,4-DIENE-3,20-DIONE, 9,21-DICHLORO-6-FLUORO-11-HYDROXY-16-METHYL-17-(1-OXOPROPOXY)-, (6.ALPHA.,11.BETA.,16.BETA.)-
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 71587233
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.
