BTEX Standard Back Catalog number: 94133 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B690270 L-Buthionine-(S,R)-sulfoximine, 98%, 500mg Price on request 57124 Chromium (Cr) Price on request 3786.8-K-IO 2,3,5,6-Tetramethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 1124-11-4 Price on request