As an extract from the researched prices for
L-Tryptophan-(Indole Ring-2-13C) there are currently shown 3 prices in the last 8 years for CAS equal products. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2019 from USD 631.00 for 25 mg to USD 206.00 per 5 mg in 2020 .