Name
Methotrexate EP Impurity E(Amethopterin EP Impurity E)
Chemical Name
4-[[(2,4-diaminopteridin-6-yl)methyl]methylamino]-benzoic acid
Molecular Formula
C15H15N7O2
Molecular Weight
325.33200
CAS Number (Or Caming Number for Non-CAS Products)
19741-14-1
Appearance
Yellow powder
Storage
Store at -20°C
Stability and Solubility
Dissolve methanol in alkaline water (solvent preparation: 1ml of pH10 ammonia (2 drops of ammonia in 10ml of pure water) + 1ml of pH8 ammonia (4 drops of pH10 in 7ml of pure water) + 1ml of methanol)
Use
Impurity of API Methotrexate
Links
This product is exclusively sold through our sales company Watson International Limited (
https://www.watson-int.com/).
