L-Cystine Back Catalog number: 72923 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79345A 2,4,5-Trichlorophenol Price on request 9273.20-100-ME Naltrexone (base, anhydrous), 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 16590-41-3 Price on request 71305 Di-isobutyl phthalate, 1000µg/ml in MeOH, 1ml Price on request