2,4-DB methyl ester Back Catalog number: 83502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9353.10-100MG (S)-(-)-Cotinine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 486-56-6 Price on request 70434 Acetophenone Price on request 673969 1H-Benzotriazole, 100mg Price on request