Z-Ser(Tos)-OMe Product Catalog # Size Price (USD) Quantity Z-Ser(Tos)-OMe411604-5G5 g$141.00 - Z-Ser(Tos)-OMe-5g quantity + Z-Ser(Tos)-OMe411604-25G25 g$339.00 - Z-Ser(Tos)-OMe-25g quantity + Add to cart Description Synonym: Z-O-4-toluenesulfonyl-L-serine methyl ester CAS #: 1492-52-0 Molecular Formula: C19H21NO7S Molecular Weight: 407.5