BENZENE (12C6, 99.95%)…

BROMOBENZENE (13C6, 99%)…

POTASSIUM CYANIDE (13C, 99%; 15N, 98%+)…

POTASSIUM CYANATE (13C, 99%; 15N, 98%) 95% CHEMICA…

4-HYDROXYPHENOBARBITAL (2-13C, 99%; 1,3-15N2, 98%+)…

1,2,4-TRIAZOLE (3,5-13C2, 99%; 1,2,4-15N3, 98%)…

1,2,4-TRIAZOLE (3,5-13C2, 99%; 1,2,4-15N3, 98%)…

BARBITURIC ACID (13C4, 99%; 15N2, 98%) 97% CHEMICAL…

HOMOVANILLIC ACID (RING-13C6, 99%; 4-HYDROXY- 18O, …

3,4-DIHYDROXYPHENYLACETIC ACID (RING-13C6, 99%; 4-H…