Method 1666 Standard Back Catalog number: 97659 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2517.8-100-ME Caffeine,100 µg/mL,MeOH,1mL, Price on request S-4249-10ML Daily Quality Control Standard (with 4 Deuterated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17m-Xylene 3 n-Octane 17 Price on request H290923 Hentriacontan-16-one, 1g Price on request