Estradiol 17-Valerate-d12, 2,5mg

15N3-Melamine, 10mg

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-5, Cas.no.

2,8-Dichlorodibenzofuran, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5409-83-6