pH 4.01 buffer solution (box of 25x20mL sachet)

Methoprene,100 µg/mL,MeOH,1mL,

2-Butanol, 5ml

Naphthalene-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1146-65-2