Z-Trp-OH Product Catalog # Size Price (USD) Quantity Z-Trp-OH411801-25G25 g$68.00 - Z-Trp-OH-25g quantity + Z-Trp-OH411801-100G100 g$143.00 - Z-Trp-OH-100g quantity + Add to cart Description Synonym: Z-L-tryptophan CAS #: 7432-21-5 Molecular Formula: C19H18N2O4 Molecular Weight: 338.4