INDOLE (13C8, 98%+; 15N, 96-99%)…

THIOUREA (13C, 99%; 15N2, 98%)…

ETHYL CYANOACETATE (13C3, 99%; 15N, 98%) 97% PURE…

CYANAMIDE (STABILIZED WITH < 0.1% ACETIC ACID) (13…

5-ACETYLAMINO-6-AMINO-3-METHYLURACIL (AAMU) CP 97% …

5-ACETYLAMINO-6-AMINO-3-METHYLURACIL (AAMU) CP 97 (…

5-ACETYLAMINO-6-AMINO-3-METHYLURACIL (AAMU) CP 97% …

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…