INDOLE (4-13C, 95-99%)…

VANILLIC ACID (CARBOXYL-13C, 99%)…

N-BUTANOL (13C4, 99%)…

3-BROMOFLUOROBENZENE (13C6, 99%) CHEMICAL PURITY 95…

METHYL CHLOROFORMATE (CARBONYL-13C, 99%)…

ETHYLAMINE:HCL (13C2, 99%; 15N, 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, …