o,p'-DDT, 100µg/ml in MeOH, 1ml Back Catalog number: P-028S Availability: In the manufacturer's stock Price on request - + Recommended M4PFHPA Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 1.2ml x 50ug/ml, methanol Price on request 3791.12-K-IO Musk xylene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81-15-2 Price on request 15900-5805-100WS1 Guazatine acetate salt, 100µg/ml in Water, 1ml Price on request