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Edaravone Impurity IV is an impurity of Edaravone, which is a potent free radical scavenger used to treat stroke and amyotrophic lateral sclerosis (ALS). Synonyms: Bispyrazolone; 2,2',4,4'-Tetrahydro-5,5'-dimethyl-2,2'-diphenyl-[4,4'-Bi-3H-pyrazole]-3,3'-dione; 3,3'-Dimethyl-1,1'-diphenyl-[4,4'-bi-2-pyrazoline]-5,5'-dione; 4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone); NSC 37393; NSC 401001; Edaravone dimer; 3-Methyl-4-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-1-phenyl-4,5-dihydro-1H-pyrazol-5-one. Grades: ≥95%. CAS No. 7477-67-0. Molecular formula: C20H18N4O2. Mole weight: 346.38.
Edaravone impurity P3
Edaravone impurity P3. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid. CAS No. 1323485-71-7. Molecular formula: C13H16N2O4S. Mole weight: 296.34. Catalog: APB1323485717.
Edaravone impurity P3
Edaravone Impurity. Synonyms: Edaravone Impurity VI. Grades: > 95%. CAS No. 1323485-71-7. Molecular formula: C13H16N2O4S. Mole weight: 296.35.
Edaravone Impurity P4
Edaravone Impurity P4. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid. CAS No. 1242471-40-4. Molecular formula: C13H16N2O5S. Mole weight: 312.34. Catalog: APB1242471404.
Edaravone Impurity V
An impurity of Edaravone, a medication for the recovery from stroke. Synonyms: 4,4-Bis(1-phenyl-3-methyl-5-oxo-3-pyrazoline-4-yl)-1-phenyl-3-methyl-1H-pyrazole-5(4H)-one. Grades: >95%. CAS No. 124009-63-8. Molecular formula: C30H26N6O3. Mole weight: 518.577.
1-Phenyl-3-ethoxy-5-methyl-1H-pyrazole
An impurity of Edaravone, a medication for the recovery from stroke. Synonyms: 3-ethoxy-5-methyl-1-phenyl-1H-pyrazole; 1H-Pyrazole, 3-ethoxy-5-methyl-1-phenyl-. CAS No. 300543-31-1. Molecular formula: C12H14N2O. Mole weight: 202.257.
An impurity of Edaravone, a medication for the recovery from stroke. Synonyms: 3,3'-dimethyl-1,1'-diphenyl-1h,1'h-4,4'-bipyrazole-5,5'-diol. CAS No. 177415-76-8. Molecular formula: C20H18N4O2. Mole weight: 346.39.
Edaravone Trimer
Edaravone Trimer is an impurity of Edaravone. Edaravone is a novel potent free radical scavenger that reduces reactive oxygen species, inhibits apoptosis, and blocks nonenzymatic peroxidation and lipoxygenase activity. Synonyms: 5,?5',?5''-trimethyl-2,?2',?2''-triphenyl-[4,?4':4',?4''-Ter-4H-pyrazole]?-3,?3',?3''(2H,?2'H,?2''H)?-trione; 4,4-bis(3-methyl-5-oxo-1-phenyl(2-pyrazolin-4-yl))-3-methyl-1-phenyl-2-pyrazol in-5-one; 2-Phenyl-5-methyl-4,4-bis(2-phenyl-3-oxo-5-methyl-3,4-dihydro-2H-pyrazole-4-yl)-3,4-dihydro-2H-pyrazole-3-one. CAS No. 68195-63-1. Molecular formula: C30H26N6O3. Mole weight: 518.577.