Sodium perfluoro-1-[2,3,4-13C3]butanesulfonate, 50µg/ml in MeOH, 1,2ml

Formaldehyde-DNPH Level 3 (1.0ug/mL)

4,4'-Methylenebis(2-chloroaniline), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 101-14-4

2',3,4',5-Tetrabromo-2-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane