Supplier Page from Thermo Fisher Scientific for (+)-1,2-Bis[(2R,5R)-2,5-diethyl-1-phospholanyl]ethane, 97%
3-Dimethylaminopropyl chloride hydrochloride, 98% from Thermo Fisher Scientific
Iodoacetic acid, 97% from Thermo Fisher Scientific
Sodium sulfate, 99%, ACS reagent, granular, anhydrous from Thermo Fisher Scientific
Tetra-n-butylammonium phosphate, 99% from Thermo Fisher Scientific