YONEYAMA

Yoneyama Yakuhin Kogyo Co., Ltd. is a Japanese chemical manufacturer specializing in amino acids and reagents. The company produces and sells amino acids for pharmaceutical synthesis and cosmetic ingredients, including non-natural amino acids in D, L and DL forms, as well as acetyl amino acids, tripeptides and related compounds. It also offers custom preparation and contract manufacturing, supported by its production and testing facilities.

Its reagent range includes standard reagents, reference materials, volumetric and titration solutions, industrial chemicals, educational reagents and chemicals for laboratory experiments. The company also manufactures monosaccharides, mainly galactose. Customers can consult product information and catalog-search resources, and access safety data sheets for amino acid products in Japanese and English. Yoneyama Yakuhin Kogyo additionally provides information about its quality management, including ISO 9001, and its environmental policy. Through its broad selection of chemical products and tailored preparation services, the company serves needs across laboratory, industrial, pharmaceutical and cosmetic applications.