Chemical identity
Alectinib M4 Metabolite
CAS 1256585-04-2 · C₂₈H₃₂N₄O₂
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-05357 |
|---|---|
| PubChem CID | 66835300 |
| Name | Alectinib M4 Metabolite |
| CAS RN | 1256585-04-2 |
| Molecular formula | C₂₈H₃₂N₄O₂ |
| Molecular weight | 456.58 g/mol |
| IUPAC name | 9-ethyl-8-(4-((2-hydroxyethyl)amino)piperidin-1-yl)-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile |
| InChIKey | XNKBNGIKXNABDO-UHFFFAOYSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C₂₈H₃₂N₄O₂ |
|---|---|
| InChIKey | XNKBNGIKXNABDO-UHFFFAOYSA-N |
| Ring count | 5 |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | CCC1=CC2=C(C=C1N3CCC(CC3)NCCO)C(C4=C(C2=O)C5=C(N4)C=C(C=C5)C#N)(C)C |
|---|---|
| InChI | InChI=1S/C28H32N4O2/c1-4-18-14-21-22(15-24(18)32-10-7-19(8-11-32)30-9-12-33)28(2,3)27-25(26(21)34)20-6-5-17(16-29)13-23(20)31-27/h5-6,13-15,19,30-31,33H,4,7-12H2,1-3H3 |
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 1256585-04-2 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 1256585-04-2 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
Alectinib
View API and impurity familyOther names
- 5H-Benzo(b)carbazole-3-carbonitrile, 9-ethyl-6,11-dihydro-8-(4-((2-hydroxyethyl)amino)-1-piperidinyl)-6,6-dimethyl-11-oxo-
- Alcetinib metabolite M4
- UNII-6L7WLR552I
- 9-ethyl-8-[4-(2-hydroxyethylamino)piperidin-1-yl]-6,6-dimethyl-11-oxo-5H-benzo[b]carbazole-3-carbonitrile
- 9-Ethyl-6,11-dihydro-8-(4-((2-hydroxyethyl)amino)-1-piperidinyl)-6,6-dimethyl-11-oxo-5H-benzo(b)carbazole-3-carbonitrile
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 66835300
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.
