| Product Name | Product Code | Group | CAS No | Quote |
|---|---|---|---|---|
| Montelukast | DAS- | API | 158966-92-8 | |
| Montelukast S-Isomer | DAS- | Impurity- A | 190078-45-6 | |
| Montelukast Methylstyrene | DAS- | Impurity- B | 918972-54-0 | |
| Montelukast Sulfoxide | DAS- | Impurity- C | 909849-96-3 | |
| Michael Adduct R,S-Isomer | DAS- | Impurity- E | 1187586-58-8 | |
| Montelukast Methyl Ketone | DAS- | Impurity- F | 937275-23-5 | |
| Montelukast cis Isomer | DAS- | Impurity- G | 774538-96-4 | |
| Montelukast Sodium | DAS- | Process / Degradation impurity | 151767-02-1 | |
| Montelukast (3S)-Hydroxy Benzoate | DAS- | Process / Degradation impurity | 142569-69-5 | |
| Montelukast Sulfone | DAS- | Process / Degradation impurity | 1266620-74-9 | |
| Montelukast 1,2-Diol | DAS- | Process / Degradation impurity | 186352-97-6 | |
| Montelukast Disulfide Impurity | DAS- | Process / Degradation impurity | 162515-67-5 | |
| Montelukast Ether Impurity | DAS- | Process / Degradation impurity | 168214-67-3 | |
| Montelukast Dicyclohexylamine | DAS- | Process / Degradation impurity | 577953-88-9 | |
| Montelukast Lactone | DAS- | Process / Degradation impurity | 1100617-38-6 |
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