Supplier Page from Thermo Fisher Scientific for Bromotrimethylsilane, 97%, stab. with copper powder or silver wire
(±)-erythro-Aleuritic acid, 95% from Thermo Fisher Scientific
Itaconic acid, 99+% from Thermo Fisher Scientific
Methyl 4-chlorobutyrate, 98+% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific