QC Standard 1 Back Catalog number: 53084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MEND (13C12)Endrin, 1.2mL x 100ug/mL, nonane Price on request 9270.29-K-ME (2R)-?-Tocopherol-d6 (5,7-di(methyl-d3)),1000 µg/mL,MeOH,1mL Price on request 680468 3-Ethyltoluene, 100mg Price on request