Supplier Page from Thermo Fisher Scientific for Acetoxyacetyl chloride, 97%
Hydroquinone, 99% from Thermo Fisher Scientific
L(-)-Menthol, 99.5% from Thermo Fisher Scientific
L(+)-Glutamic acid monosodium salt monohydrate, 99% from Thermo Fisher Scientific
Sebacic acid, 98% from Thermo Fisher Scientific