Nicotinic acid, Stock solution system check EN12260 Back Catalog number: 8904.6-K(N)-75W Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 30169 EPA Method 500 Internal Standard #6 Price on request 3421.14-100 Imazalil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 35554-44-0 Price on request 1663.12-100-IO 1,12-Dichlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3922-28-9 Price on request