o,p'-DDT, 100µg/ml in MeOH, 1ml Back Catalog number: P-028S Availability: In the manufacturer's stock Price on request - + Recommended 2016.12-100-IO 2,3,3',4,4',5,5'-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 39635-31-9 Price on request 30109 EPA Method 552.2 - Surrogate Standard Price on request 2494.13-K-IO Mono-n-heptyltriethyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 51283-39-7 Price on request