2,5-Dimethylbenzaldehyde-DNPH

Seco-18ß(H)-oleanane A2-2; 17,18-cis-8,14-seco-oleanane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.

Daily Quality Control Standard (with 4 Fluorinated 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 17

2,4,4',5-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane