CAS 210545-23-6 appears in our catalog under these names: N-Acetyl-L-arginine dihydrate/ 99.71% (existing batch purity), N–Acetyl–L–arginine dihydrate, Nalpha-Acetyl-D-arginine dihydrate, 98% , N-a-Acetyl-L-arginine dihydrate, Ac-Arg-OH.2H2O 97%. Offered by: TargetMol, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, Ambeed. Available pack sizes: 50mg, 5g, 1g, 100g, 50g, 250g, 500g, 25g.