Sulfamethazine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679814 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79598 Atrazine-desisopropyl Price on request 0794.18-500-IO Retene, 500µg/mL in Isooctane, 1ml Price on request 73209 4-Methoxyphenol Price on request