Chemical identity
N-Despropyl-N-ethyl Macitentan
CAS 441796-13-0 · C18H18Br2N6O4S
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-21252 |
|---|---|
| PubChem CID | 71462322 |
| Name | N-Despropyl-N-ethyl Macitentan |
| CAS RN | 441796-13-0 |
| Molecular formula | C18H18Br2N6O4S |
| Molecular weight | 574.25 g/mol |
| IUPAC name | N-[5-(4-Bromophenyl)-6-[2-[(5-bromo-2-pyrimidinyl)oxy]ethoxy]-4-pyrimidinyl]-N'-ethylsulfamide |
| InChIKey | PIJUSICWAKBTEZ-UHFFFAOYSA-N |
02Structure identifiers

Structure facts for this exact identity.
| Molecular formula | C18H18Br2N6O4S |
|---|---|
| InChIKey | PIJUSICWAKBTEZ-UHFFFAOYSA-N |
| Ring count | 3 |
| Defined stereocentres | 0 |
| Unassigned stereocentres | 0 |
| SMILES | CCNS(=O)(=O)NC1=C(C(=NC=N1)OCCOC2=NC=C(C=N2)Br)C3=CC=C(C=C3)Br |
|---|---|
| InChI | InChI=1S/C18H18Br2N6O4S/c1-2-25-31(27,28)26-16-15(12-3-5-13(19)6-4-12)17(24-11-23-16)29-7-8-30-18-21-9-14(20)10-22-18/h3-6,9-11,25H,2,7-8H2,1H3,(H,23,24,26) |
03India 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 441796-13-0 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 441796-13-0 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
04Names and relationships
Associated parent compound
Macitentan
View API and impurity familyOther names
- Macitentan N-Ethyl Analog
- Macitentan N-Despropyl-N-Ethyl
- Macitentan impurity B
- Macitentan impurity D
- C18H18Br2N6O4S
- G79571
05Documented 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.
06Sources
- S01PubChem compound record, CID 71462322
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.
