EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675462 Flumequine, 250mg Price on request 1021.20-250MG n-Eicosane-d42,neat,neat,250mg, Price on request 8801.21-100-IO Methyl 9-cis-eicosenoate, 100µg/ml in Isooctane, 1ml Price on request