Chlorpyrifos-oxon, certified, 50mg Back Catalog number: C11603000 Availability: In the manufacturer's stock Price on request - + Recommended 688444 Tribromoacetic acid, 100µg/ml in Water, 1ml Price on request 71663 2,4,5-Trichloroanisole Price on request S-4332-100-HE B[a]P/HCB Recovery standard 1337,16 Fluoranthene-d10 100 000ng/ml Solvent: n-Hexane Units: 1mL crimp-top Price on request