≥99% purity (HPLC), powder
≥98% (HPLC), solid, thymidylate synthase inhibitor, Calbiochem®
for synthesis
analytical standard
Vetec™, reagent grade, ≥99%
Pharmaceutical Secondary Standard; Certified Reference Material
United States Pharmacopeia (USP) Reference Standard
meets USP testing specifications
European Pharmacopoeia (EP) Reference Standard
British Pharmacopoeia (BP) Reference Standard
98 atom % 15N