L-Leucine Back Catalog number: 72193 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59902 Metals Mix Price on request S-4239-2K-IP EPA 8040A, Mixture A S-4239 9 Analytes, 2mg/mL each in isopropanol 4-Chloro-3-cresol m-Cresol 2,4-Dichlorophenol 2-Methyl-4,6-dinitrophenol 2-Nitrophenol 4-Nitrophenol 2,4,6-Trichlorophenol Pentachlorophenol Phenol Price on request S-4257-200-ME BTEX Mixture 1 6 Analytes, each 200 µg/mL in methanol; units:1x1 mL, 1x5mL 1300.6 Benzene [71-43-2] 1267.8 o-Xylene [95-47-6] 1264.7 Toluene [108-88-2] 1266.8m-Xylene [108-38-3] 1268.8 Ethylbenzene [100-4 Price on request