Supplier Page from Thermo Fisher Scientific for Tin(IV) isopropoxide isopropanol adduct, 98% (metals basis)
1,7-Heptanediol, 95% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
D-Cystine, 98% from Thermo Fisher Scientific
Oxytetracycline dihydrate, 95% from Thermo Fisher Scientific