Dantrolene Sodium and its Impurities

Dantrolene Sodium is a muscle relaxer that is used to treat muscle spasticity (stiffness and spasms) caused by conditions such as a spinal cord injury, stroke, cerebral palsy, or multiple sclerosis. Reference standards of Dantrolene Sodium API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.