GLC Reference standard 744, 100mg Back Catalog number: GLC-744 Availability: In the manufacturer's stock Price on request - + Recommended 0271.24-10MG Naphtho[2,3-k]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 207-18-1 Price on request 22005 Acid Surrogate Standard Price on request S-4341-K-HX Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top Price on request