WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

Medroxyprogesterone acetate,1000 µg/mL,MeOH,1mL,

2-Methylthio-3-methylpyrazine (single isomer), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

2,4-DB-methyl ester, 100 µg/ml, Ethyl acetate, 5