D-Tryptophanol Product Catalog # Size Price (USD) Quantity D-Tryptophanol202013-1G1 g$412.00 - D-Tryptophanol-1g quantity + D-Tryptophanol202013-5G5 g$1,451.00 - D-Tryptophanol-5g quantity + Add to cart Description Catalog #: 202013 CAS #: 52485-52-6 Molecular Formula: C11H14N2O Molecular Weight: 190.2