Norbuprenorphine 3-beta-D-glucuronide Back Catalog number: 10381.31-100-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 9486.16-50-IO 1-Chloropyrene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 34244-14-9 Price on request 2713.13-100-ME 2-Methyl-1-[4-(1-methylethyl)phenyl]-1-propanone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 72846-62-9 Price on request 19494 EPA Method 524 & 624 - Internal Standard Price on request