Qualitative Reference Petroleum Set, 3 x 1ml Back Catalog number: D-5134-92-SET Availability: In the manufacturer's stock Price on request - + Recommended 10199.23-50-AN JWH-073 N-(4-Hydroxybutyl) metabolite, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. NA Price on request 0984.20-10-IO d2 C20 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-79-9 Price on request 70417 Triethylamine Price on request