CAS 17662-84-9 appears in our catalog under these names: D-Valine benzyl ester p-toluenesulfonate, 96%, D-Valine Benzyl Ester p-Toluenesulfonate, H–D–Val–OBzl · p–tosylate, D-Valine benzyl ester 4-toluenesulfonate salt, D-Valine Benzyl Ester p-Toluenesulfonate, >98.0%(HPLC)(T). Offered by: Combi-blocks, TRC, GLPBio, Biosynth, TCI. Available pack sizes: 1g, 25g, 100g, 5g, 10g, 50g, 500g, 250g.