CAS 1135-40-6 appears in our catalog under these names: CAPS/ 99.56% (existing batch purity), CAPS, CAPS, 99% , CAPS, 0.5M buffer soln., pH 10 , CAPS, 0.5M buffer soln., pH 11 . Offered by: TargetMol, GLPBio, Thermo Scientific (Alfa Aesar), TCI, Biosynth. Available pack sizes: 5g, 100g, 250g, 25g, 500g, 250ml, 500ml, 1kg.