[13C22 15N2]-Tetracycline

ISO 9377-2MOD Stearyl Stearate Solution for Comparison 0,5ml Stearyl stearate test solution (S-4517) with 24,5ml Extraction solvent (n-Pentane) Unit: 1mL for direct GC-Comparison

1,2-Dimethoxyethane, Internal Standard in RFA gasoline, 4Wt%, Solvent-RFA gasoline, Unit 10mL, # of units-5, Cas.no. 110-71-4

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-77-7