Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95808 L(+)Lactic acid Price on request 1737.13-10MG 9-Hydroxyfluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1689-64-1 Price on request 3325.7-100-CY Bromoxynil Price on request