
Chemical identity
Amorolfine EP Impurity D
CAS 67306-03-0 · C20H33NO
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-06156 |
|---|---|
| PubChem CID | 91695 |
| Name | Amorolfine EP Impurity D |
| CAS RN | 67306-03-0 |
| Molecular formula | C20H33NO |
| Molecular weight | 303.49 g/mol |
| IUPAC name | (2RS,6SR)-2,6-dimethyl-4-[(2RS)-3-(4-tert-butylphenyl)-2- methylpropyl]morpholine |
| InChIKey | RYAUSSKQMZRMAI-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 3 |
| Ring count | 2 |
| Secondary amines | 0 |
| Tertiary amines | 1 |
| N-methyl amine sites | 0 |
| SMILES | CC1CN(CC(O1)C)CC(C)CC2=CC=C(C=C2)C(C)(C)C |
|---|---|
| InChI | Not listed |
| Formula from structure | C20H33NO |
| Molecular weight from structure | 303.49 g/mol |
03Stereochemistry
The published structure contains 0 defined and 3 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.

![Two-dimensional chemical structure of (2R,6S)-4-[(2R)-3-(4-tert-butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine](/structures/pubchem/24820764-300.png)
(2R,6S)-4-[(2R)-3-(4-tert-butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine
CAS not listed
RYAUSSKQMZRMAI-ZACQAIPSSA-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 | NO EXACT MATCH FOUND | CAS 67306-03-0 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 67306-03-0 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
Amorolfine
View API and impurity familyOther names
- 4-(3-(4-(1,1-Dimethylethyl)phenyl)-2-methylpropyl)-2,6-dimethylmorpholine
- 67306-03-0
- DTXSID001015622
- RefChem:1069874
- DTXCID3031999
- 266-639-4
- 4-[3-(4-tert-Butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine
- 76492-92-7
- Morpholine, 4-[3-[4-(1,1-dimethylethyl)phenyl]-2-methylpropyl]-2,6-dimethyl-
- Fenpropemorph
- Morpholine, 4-(3-(4-(1,1-dimethylethyl)phenyl)-2-methylpropyl)-2,6-dimethyl-, (4(R)-cis)-
- SCHEMBL22363
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 91695
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.
