Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml Back Catalog number: CNLM-8150-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 8712.12-100-IO 2,2',3,3',4,4',5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 42740-50-1 Price on request 2829.18-50-ME Perfluorooctadecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 16517-11-6 Price on request 32841 n-Decane Price on request