AMINOPYRINE (N,N-DIMETHYL-13C2, 99%)…

L-LYSINE:2HCL (6-13C, 99%)…

PROPIONIC ACID (1-13C, 99%)…

D-FRUCTOSE-1,6-BISPHOSPHATE, SODIUM SALT (HYDRATE) …

L-THYROXINE (TYROSINE-RING-13C6, 99%) 90% PURE…

D-MANNITOL (U-13C6, 99%)…

ESTRONE (3,4-13C2, 99%)…

L-GLUTAMIC ACID (1-13C, 99%)…

D-GLUCOSE (3,4-13C2, 99%)…

SUCCINYLACETONE (3,4,5,6,7-13C5, 99%)…