Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3732.12-100-IO 4,4'-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2050-68-2 Price on request 673437 Rotenone, 100 µg/ml, Acetonitrile, 1ml Price on request 11213-100MG POE (20) Nonylphenol,neat,neat,100mg, Price on request