CAS 87-91-2 appears in our catalog under these names: (+)-Diethyl-L-tartrate, min. 95 %, 2 kg, Diethyl L-(+)-Tartrate, L(+)–Diethyl L–tartrate, (+)-Diethyl L-tartrate, 98% , (+)-Diethyl-L-tartrate. Offered by: Roth, TRC, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth. Available pack sizes: 2kg, 1g, 50mg, 1000g, 100g, 250g, 500g, 0,5kg.