Supplier Page from Thermo Fisher Scientific for Sodium chloride crystal optic rectangle, 30mm x 15mm x 4mm, polished both sides
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific