Sulfamethazine, 1000µg/ml in MeOH, 1ml Back Catalog number: 72263 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73486 Quinine Price on request 678197 Lepimectin, 100 µg/ml, Acetonitrile, 1ml Price on request 50647 Sodium arsenate dibasic heptahydrate (As) Price on request