CAS 3164-29-2 appears in our catalog under these names: L–Tartaric acid (diammonium), Ammonium-L-tartrate/ 99%, Ammonium L-(+)-tartrate, 98% , Diammonium L-(+)-Tartrate, >98.0%(T), L(+)-Tartaric acid diammonium salt, 99%. Offered by: GLPBio, Chemat, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros). Available pack sizes: 500g, 50g, 250g, 1kg, 100g, 5g, 250ml, 500ml.