Z-Tyr-OtBu•H2O Product Catalog # Size Price (USD) Quantity Z-Tyr-OtBu•H2O411905-25G25 g$279.00 - Z-Tyr-OtBu•H2O-25g quantity + Z-Tyr-OtBu•H2O411905-100G100 g$843.00 - Z-Tyr-OtBu•H2O-100g quantity + Add to cart Description Synonym: Z-L-tyrosine t-butyl ester hydrate CAS #: 16881-33-7 Molecular Formula: C21H25NO5•H2O Molecular Weight: 389.4