2,4-DB methyl ester Back Catalog number: 3355.11-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 63191 2,3,3',4,4',5’,6-Heptachlorobiphenyl Price on request 10381.31-100-ME Norbuprenorphine 3-beta-D-glucuronide Price on request 0923.10-500-IO Azulene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 275-51-4 Price on request