Supplier Page from Thermo Fisher Scientific for 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide methiodide, 98%
Isonipecotic acid, 99% from Thermo Fisher Scientific
Itaconic acid, 99+% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific