13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE

2-(2-Hydroxyphenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-18, Cas.no. 2963-66-8

Phenylparaben, see "Parabens", 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17696-62-7

Norfluoxetine-d5 (propyl-1,1,2,2,3-d5), neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1185132-92-6