Cephalosporins Back Catalog number: 67004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9879.17-50-IO 1,2,7-Trimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60490-68-8 Price on request 54529 EPA Method 300.0 Eluent 100 x Concentrate Price on request 676898 Cyanamide, 100mg Price on request