Formaldehyde-DNPH Level 1 (0.1ug/mL)

2,3,4,5-Tetrabromobenzoic acid [13C6 ring], 1.2ml x 50ug/ml, methanol

Furan-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6142-90-1

Pymetrozine, 10.0 µg/ml, Acetonitrile, 10ml