| CAS Number | 162515-68-6 |
|---|---|
| Category | Intermediate |
| Final Application | Montelukast Sodium |
| Molecular Formula | C6H10O2S |
| Molecular Weight | 146.20 |
A key thiol-bearing cyclopropane intermediate used in the synthesis of Montelukast Sodium. Its free mercapto (–SH) group performs the critical thioether-forming conjugation step late in the montelukast route, and its purity directly affects the final API’s chemical and chiral purity.