Boc-Lys(Z)-pNA Product Catalog # Size Price (USD) Quantity Boc-Lys(Z)-pNA111214-1G1 g$137.00 - Boc-Lys(Z)-pNA-1g quantity + Boc-Lys(Z)-pNA111214-5G5 g$329.00 - Boc-Lys(Z)-pNA-5g quantity + Add to cart Description Synonym: Boc-Nε-Z-L-lysine 4-nitroanilide CAS #: 51078-31-0 Molecular Formula: C25H32N4O7 Molecular Weight: 500.6