alpha-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680442 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 95414 PAH Standard Price on request 96806 Custom Internal Standard Mix Price on request 11156.7-10MG Perfluoroheptane sulfonic acid, potassium salt,neat,neat,10mg, Price on request