Calibration Standards Set

Theophylline-d6 (dimethyl-d6), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 11790-39-8

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.

1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene