Methyl Paraben-13C6, 1mg Back Catalog number: M325664 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 30100 EPA Method 551.1 - Analytes Mix “A” Price on request 37031 EPA Method 525.2 - IS/SS Mix Price on request 91625 Surrogate Standard Price on request