
Chemical identity
Duloxetine Hydroxy Impurity
CAS 132335-44-5 · C9H15NOS
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-13612 |
|---|---|
| PubChem CID | 9964277 |
| Name | Duloxetine Hydroxy Impurity |
| CAS RN | 132335-44-5 |
| Molecular formula | C9H15NOS |
| Molecular weight | 185.29 g/mol |
| IUPAC name | (S)-1-β-Hydroxy-1-(2-thienyl)-3-dimethylaminopropane |
| InChIKey | XWCNSHMHUZCRLN-QMMMGPOBSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C9H15NOS |
|---|---|
| InChIKey | XWCNSHMHUZCRLN-QMMMGPOBSA-N |
| Ring count | 1 |
| Defined stereocentres | 1 |
| Unassigned stereocentres | 0 |
| SMILES | CN(C)CC[C@@H](C1=CC=CS1)O |
|---|---|
| InChI | InChI=1S/C9H15NOS/c1-10(2)6-5-8(11)9-4-3-7-12-9/h3-4,7-8,11H,5-6H2,1-2H3/t8-/m0/s1 |
03Stereochemistry
The published structure contains 1 defined and 0 unassigned tetrahedral stereocentre. 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.


(R)-3-(Dimethylamino)-1-(thiophen-2-yl)propan-1-ol
CAS Not listed
XWCNSHMHUZCRLN-MRVPVSSYSA-N
1 defined, 0 unassigned centres

3-(Dimethylamino)-1-(2-thienyl)-1-propanol
CAS Not listed
XWCNSHMHUZCRLN-UHFFFAOYSA-N
0 defined, 1 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.
04Possible N-nitroso structures
A record-level structural review indicates a possible N-nitroso candidate. This is not a confirmed impurity, formation prediction or analytical finding.
A structural result alone does not establish that a nitrosamine forms. A process-specific and analytical assessment is required.
05India 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 | CAS 132335-44-5 was not found in the reviewed exact-identity entries. Generic, class, analogue, salt and isomer provisions were not evaluated. |
|---|---|---|
| SCOMET | NOT FOUND IN REVIEWED CAS ENTRIES | CAS 132335-44-5 was not found in the reviewed exact-CAS mapping. 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
06Names and relationships
Associated parent compound
Duloxetine
View API and impurity familyOther names
- Duloxetine Dimethylaminopropanol Impurity
- (1S)-3-(dimethylamino)-1-(thiophen-2-yl)propan-1-ol
- (S)-3-(Dimethylamino)-1-(2-thienyl)-1-propanol
07Documented 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.
08Sources
- S01PubChem compound record, CID 9964277
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.
