Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended 94506 Hydrocortisone Price on request 3956.15-K-IO Tetra-n-pentyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3765-65-9 Price on request 3830.3-K-ME 2,3-Dichloro-1-propanol,1000 µg/mL,MeOH,1mL, Price on request