Protopine, >98%, 20mg Back Catalog number: CFN99399 Availability: In the manufacturer's stock Price on request - + Recommended S-4750-ASS-5AC Custom mix of C0-C3 PAHs, diluted Same components as S-4749, at lower concentrations 0002.12 Acenaphthylene 0,1µg/mL 0732.12 Acenaphthene 3,38 0217.13 Fluorene 9,23 0816.14 Phenanthrene 24,92 0884 Price on request 56047 Silver (Ag) Price on request 38235 WS Drinking Water Kit Price on request