4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 11191.22-100-ME Sildenafil-d8 (piperazine-d8),100 µg/mL,MeOH,1mL Price on request 2856.16-50-ME 1H,1H-Perfluorohexadecan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 216144-94-4 Price on request 70398 Isosafrole Price on request