Surrogate Standard Back Catalog number: 92703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 688535 Nifuroxazide, 100mg Price on request 2314.9-100 Monuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 150-68-5 Price on request 675334 Sulfapyridine, 250mg Price on request