Sodium 2,2'-methylene-bis-(2,4-di-tert-butylphenyl

Folpet-d4, 100µg/ml in Acetone, 5ml

6:2 Di-PAPS-d4, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no.

Recovery Standard Solution, 5ng/µl in Nonane/20% toluene, 1,2ml