Sichuan Pepper , Sichuan Peppercorn, SICHUAN prickly ash, Huajiao, Cas No.: 90105-89-8 is a Natural Dehydrated Vegetable supplied by Rishon Biochem Co., Ltd. (Sichuan, China). Sichuan Pepper, Sichuan Peppercorn, SICHUAN prickly ash, Huajiao, Cas No.: 90105-89-8 The company is ISO 22000 certified and provides stable, traceable bulk supply for nutrition, food and cosmetics industries.