Supplier Page from Thermo Fisher Scientific for 1,2-Bis[(2S,5S)-2,5-diisopropyl-1-phospholanyl]ethane, 97+%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific