Z-Val-OSu Product Catalog # Size Price (USD) Quantity Z-Val-OSu412003-5G5 g$68.00 - Z-Val-OSu-5g quantity + Z-Val-OSu412003-25G25 g$158.00 - Z-Val-OSu-25g quantity + Add to cart Description Synonym: Z-L-valine N-hydroxysuccinimide ester CAS #: 3496-11-5 Molecular Formula: C17H20N2O6 Molecular Weight: 348.4