Sulfamethazine-d4, 1mg Back Catalog number: S699072 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 679460 2,4'-DDT, 100 µg/ml, Methanol, 1ml Price on request 677189 2-Dodecylcyclobutanone, 5mg Price on request 25002 EPA Method 8260 - Surrogate Standard Price on request