CAS No:59-05-2||Chemical Formula:C20H22N8O5||Molecular Weight:454.44700||Exact Mass:454.17132||(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-L-gl……
目录号: PI20029004 品名: Methotrexate EP Impurity C(Amethopterin EP Impurity C)
CAS No:2410-93-7||Chemical Formula:C20H21N7O6||Molecular Weight:455.43100||Exact Mass:455.15533||(2S)-2-[[4-[[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)-methyl]me……
目录号: PI20029005 品名: Methotrexate EP Impurity D(Amethopterin EP Impurity D)
CAS No:5623-18-7||Chemical Formula:C15H14N6O3||Molecular Weight:326.31600||Exact Mass:326.11274||4-[[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]methylamino]……
目录号: PI20029009 品名: Methotrexate EP Impurity H(Amethopterin EP Impurity H)
CAS No:67022-39-3||Chemical Formula:C21H24N8O5 ||Molecular Weight:468.47400 Exact Mass 468.18697 ||Exact Mass:468.47400 Exact Mass 468.18697 ||(S)-2-(4-(((2,4-d……
CAS No:N/A||Chemical Formula:C22H27N9O4||Molecular Weight:481.51700||Exact Mass:481.2186||(R)-4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5……