Cations Std. Level 4 Back Catalog number: 59909 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19049 EPA Method 507 Surrogate Standard Price on request 8789.27-5UG C27 Tetracyclic terpane Z1, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 11508.47-5MG Paclitaxel,neat,neat,5mg, Price on request