CAS 83159 appears in our catalog under these names: 5-nitropyridine-2-thiol, 97%, 3,5-Di-o-(tert-butyldimethylsilyl)-2-deoxy-d-ribonolactone, 95%, H-Tpi-ome hydrochloride, 95%, L-1,2,3,4-Tetrahydronorharman-3-carboxylic Acid Methyl Ester Hydrochloride, (4S,5R)–4–((tert–Butyldimethylsilyl)oxy)–5–{((tert–butyldimethylsilyl)oxy)methyl}oxolan–2–one. Offered by: Fluorochem, Combi-blocks, TRC, GLPBio, Biosynth. Available pack sizes: 250mg, 1g, 5g, 10g, 25g, 100g, 500mg, 1000mg.