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 10688.12-100-IO 2,2',3,4,6'-Pentachlorobiphenyl Price on request PCN-STK-A PCN Native Stock Solution, 1000ng/ml in Nonane, 1,2ml Price on request 83542 2-Butanone (Methyl ethyl ketone)-DNPH Price on request