Formaldehyde-DNPH Level 1 (0.1ug/mL)

C29 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10 alpha(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205176-21-2 / 81943-51-3

3,3',5,5'-Tetrabromobisphenol A bispropionate,50 µg/mL,toluene,1mL Certan,

Propiconazole, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 60207-90-1