Chemical identity
Naphazoline EP Impurity D (HCl Salt)
CAS 22126-67-6 · C14H14N2
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-23100 |
|---|---|
| PubChem CID | 610682 |
| Name | Naphazoline EP Impurity D (HCl Salt) |
| CAS RN | 22126-67-6 |
| Molecular formula | C14H14N2 |
| Molecular weight | 210.27 |
| IUPAC name | 2-(Naphthalen-2-ylmethyl)-4,5-dihydro-1H-imidazole |
| InChIKey | VIXRKFBKWOHVBR-UHFFFAOYSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C14H14N2 |
|---|---|
| InChIKey | VIXRKFBKWOHVBR-UHFFFAOYSA-N |
| Ring count | 3 |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | C1CN=C(N1)CC2=CC3=CC=CC=C3C=C2 |
|---|---|
| InChI | InChI=1S/C14H14N2/c1-2-4-13-9-11(5-6-12(13)3-1)10-14-15-7-8-16-14/h1-6,9H,7-8,10H2,(H,15,16) |
03Possible 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.
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 | CAS 22126-67-6 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 22126-67-6 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
05Names and relationships
Associated parent compound
Naphazoline
View API and impurity familyOther names
- Beta-naphazoline
- 2-(naphthalen-2-ylmethyl)-4,5-dihydro-1H-imidazole
- 4,5-Dihydro-2-(2-naphthalenylmethyl)-1H-imidazole
- 1H-Imidazole, 4,5-dihydro-2-(2-naphthalenylmethyl)
- NAPHAZOLINE HYDROCHLORIDE IMPURITY D [EP IMPURITY]
- Naphazoline EP Impurity D
- Naphazoline IMpurity D
- UNII-NMZ23S4WRW
- Naphazoline hydrochloride impurity D [EP]
- 2-(2-Naphthylmethyl)-4,5-dihydro-1H-imidazole
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 610682
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.
