Methotrexate EP Impurity L
CAS Number: 52980-68-4
Molecular Formula: C13H16N2O5
Molecular Weight: 280.28

Methotrexate
CAS Number: 59-05-2
Molecular Formula: C20H22N8O5
Molecular Weight: 454.44

Methotrexate EP Impurity B
CAS Number: 54-62-6
Molecular Formula: C19H20N8O5
Molecular Weight: 440.41

Methotrexate EP Impurity C
CAS Number: 2410-93-7
Molecular Formula: C20H21N7O6
Molecular Weight: 455.42

Methotrexate EP Impurity D
CAS Number: 5623-18-7
Molecular Formula: C15H14N6O3
Molecular Weight: 326.31

Methotrexate EP Impurity E
CAS Number: 19741-14-1
Molecular Formula: C15H15N7O2
Molecular Weight: 325.33

Methotrexate EP Impurity F
CAS Number: 51865-79-3
Molecular Formula: C20H22N8O5
Molecular Weight: 454.54

Pentoxifylline EP Impurity J
CAS Number: 874747-30-5
Molecular Formula: C26H34N8O5
Molecular Weight: 538.60