7H-Perfluoroheptanoic acid, 50µg/ml in MeOH, 1ml Back Catalog number: 2835.7-50-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 95492 EPA Method 524.3 VOCs Price on request 2092.13-K-5IP 2,4-Dibromophenol-PFB, 1000µg/mL, Solvent-isopropanol, Unit 5mL, # of units-1, Cas.no. Price on request 8861.6-K-IO 2-Methylthio-3-methylpyrazine (single isomer), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request