Supplier Page from Thermo Fisher Scientific for Potassium oxalate monohydrate, ACS, 98.5-101.0%
1-Heptanol, 98% from Thermo Fisher Scientific
4-Aminophenylacetic acid, 98% from Thermo Fisher Scientific
L(-)-Menthol, 99.5% from Thermo Fisher Scientific
L-Alanine, 99% from Thermo Fisher Scientific