Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1347.7-7.5MGX20 3,4-Dimercaptotoluene, neat, Solvent-neat, Unit 7.5mg, # of units-20, Cas.no. 496-74-2 Price on request 675911 D8-9,10-Anthraquinone, 50mg Price on request C16173000 Phthalic acid, bis-2-ethylhexyl ester, certified, 0.5g Price on request