beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673076 Folic acid, 250mg Price on request XA10332000AL Atrazine-desisopropyl, 100 ng/µl, 1ml Price on request 674442 2,3,5-Trimethacarb, 10.0 µg/ml, Acetonitrile, 10 Price on request