N4-Acetylsulfamethoxazole, 25mg Back Catalog number: 681420 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 20013 EPA Method 8260 - Purgeable Internal Standard Price on request FRS-062S-0.5X Dechlorane Plus Syn, 50µg/mL in Toluene, 1ml Price on request 24002 EPA Method 8240A - Purgeable Surrogate Std Price on request