Methotrexate Impurity 30
CAS Number: N/A
Molecular Formula: C22H26N8O5
Molecular Weight: 482.50

Methotrexate Impurity 19
CAS Number: N/A
Molecular Formula: C22H28N10O3
Molecular Weight: 480.53

N-{[4-(dimethylamino)phenyl]carbonyl}-L-glutamic acid
CAS Number: N/A
Molecular Formula: C14H18N2O5
Molecular Weight: 294.31

N-[(4S)-3,7-dioxo-2,8-diazanon-4-yl]-4-(methylamino)benzamide
CAS Number: N/A
Molecular Formula: C15H22N4O3
Molecular Weight: 306.37

Rivaroxaban Phthalamide Dimer
CAS Number: 1365267-36-2
Molecular Formula: C36H36N6O10
Molecular Weight: 712.71

Metformin EP Impurity F HCl
CAS Number: 506-59-2
Molecular Formula: C2H8ClN
Molecular Weight: 81.54

1-Methylbiguanide 3/2 Sulfuric acid
CAS Number: 129218-51-5 (3/2 sulfuric acid)
Molecular Formula: C3H9N5 . 3/2H2SO4
Molecular Weight: 115.14 : 147.10

Metformin EP Impurity A
CAS Number: 461-58-5
Molecular Formula: C2H4N4
Molecular Weight: 84.08