No data
L-Tryptophan
73-22-3
Shandong Lanyuguang Chemical Co., Ltd
Sure Chemical Co.,ltd.shijiazhuang
Shaanxi Dideu Medichem Co. Ltd
Yixing Jiangshan Bio-tech Co., Ltd. (formerly Yixing Jiangshan Chemical Industry Factory)
Xi'an Yinherb Bio-Tech Co., Ltd.
L-tryptophan
Jiangsu B-WIN CHEMICAL INDUSTRY CO.,LTD.
Hangzhou KieRay Chem Co.
Kyowa Hakko Bio Italia S.R.L
Aminoltd
Bill Barr & Company, Inc.