L-Cystine Back Catalog number: 72923 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2226.10-K-HX 1,3-Diethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 141-93-5 Price on request 70020R Aroclor 1254 Price on request 677486 2,3,4,6-Tetrachlorophenol, 50mg Price on request