EPA 1620 Standard 4 Back Catalog number: 53142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70244 Pentafluorobenzene Price on request S-4389-SET Calibration Curve Set, Native Compounds (§ 5.9) Set of 7 solutions in isooctane/toluene; unit: 7x1mL Compound Solution 1 Solution 2 Solution 3 Solution 4 Solution 5 Solution 6 Solution 7 ng/mL ng/mL Price on request 3922.9-100MG Lamotrigine, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 84057-84-1 Price on request