o,p'-DDT, 100µg/ml in MeOH, 1ml Back Catalog number: P-028S Availability: In the manufacturer's stock Price on request - + Recommended 92843 EPA Method 525.2 Pesticide Level 4 Price on request 11839.21-100-IO Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL, Price on request 11891.15-10MG Modafinil ,neat,neat,10mg, Price on request