Sulfapyridine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679819 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 83602 Disulfoton Price on request 96884 EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml Price on request MPN-74 1,2,3,4,5,6,8-Heptachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request