CAS 117660-09-0 appears in our catalog under these names: Lewis A tetrasaccharide, Lewis A tetrasaccharide, min. 90 %, 1 mg, Lewis A tetrasaccharide, min. 90 %, 2 mg, Lewis A tetrasaccharide, min. 90 %, 5 mg, Lewis A tetrasaccharide, min. 90 %, 10 mg. Offered by: Biosynth, Roth. Available pack sizes: 2mg, 1mg, 5mg, 10mg, 25mg.