Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4543-20-DCX5 S-4543-20-DCM-5X1ML Naphthalene Mix, 20µg/mL in dichloromethane, 5 x 1ml Price on request X9145 2-Nitrophenol Price on request 59535 CRL I Price on request