GLC Reference standard 569-C, 100mg

2-n-Butylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1455-20-5

3,3'-Difluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 396-64-5

17-alpha-Estradiol, certified, 0.1g