EPA Method 1666Labeled Standard Back Catalog number: 82491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11892.15-K-ME Agomelatine,1000 µg/mL,MeOH,1mL, Price on request 95113 n-Hydrocarbon Standard - EPH Price on request PFHPA Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol Price on request