U-{13C11}-Chloramphenicol

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

Indigotine, certified, 0.25g

5-Ethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 42775-75-7