Naproxen EP impurity B
| Name of Impurity/Standard | Naproxen EP impurity B |
| CAS No. | 89617-86-7 |
| Molecular Formula | C₁₄H₁₃ClO₃ |
| Molecular Weight | 264.7 g/mol |
| Synonyms: (αS)-5-Chloro-6-methoxy-α-methyl-2-naphthaleneacetic Acid; (S)-5-Chloro-6-methoxy-α-methyl-2-naphthaleneacetic Acid; (S)-5-Chloro Naproxen | |