Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2168.12-200-T 4'-Fluoro-2,2',3,3',4,5,5',6,6'-nonabromodiphenyl ether,200 µg/mL,toluene,1mL, Price on request 3705.9-65-05HC Descarbamoylsaxitoxin, 65µM, Solvent-3mM HCl, Unit 0.5mL, # of units-1, Cas.no. Price on request 680800 CDPOS, 10.0 µg/ml, Methanol, 10ml Price on request