Supplier Page from Thermo Fisher Scientific for Contract Required Detection Limits (CRDL) Standard, Specpure:r
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific