Custom Metals Standard Back Catalog number: 50450 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended FRS-028S HBCDD, 100ug/ml in toluene, 1ml Price on request 680566 Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile, Price on request 96510 Alprazolam-D5 Price on request