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 30621 4-Nitroanisole Price on request 31070 EPA Method 502/524 Surrogate Standard #3, 2000µg/ml in MeOH, 1ml Price on request 50276 pH 6.0 Standard @ 25°C Price on request