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 XA14170000ME Hexachloro-1,3-butadiene, 100µg/mL in MeOH, 1ml Price on request 675665 Sulfentrazone, 100 µg/ml, Ethyl acetate, 5ml Price on request 41003 EPA Method 608Mix #3 Price on request