QC Metals Mix Back Catalog number: 59406 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4PFHPA Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 1.2ml x 50ug/ml, methanol Price on request C10537700 Benzoic acid-benzyl ester, certified, 0.5g Price on request 71138 1,3,5-Trifluorobenzene Price on request