Ampicillin trihydrate, 100mg Back Catalog number: 675450 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2768.8-100-AN Atrazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1912-24-9 Price on request 71958 2-Nitrofluorene Price on request 59339 Perchlorate Level 1 Price on request