4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673529 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94308 Chlorobenzenes Standard, 100µg/ml in MeOH, 1ml Price on request S-4905-K-ME Catecholamine Mix 2, 1000μg/ml in MeOH, 1ml Price on request 41002 EPA Method 608Mix #2 Price on request