11-DEOXYCORTISOL (2,3,4-13C3, 99%) CHEMICAL PURITY …

ESTRONE (3,4-13C2, 99%)…

L-TRYPTOPHAN (INDOLE-3-13C, 95-99%)…

L-TRYPTOPHAN (INDOLE-4-13C, 99%) 95%+ PURE…

2-DEOXYRIBOSE (1-13C, 99%)…

VITAMIN A ACETATE (8,9,10,11,12,13,14,15,19,20-13C1…

CAFFEINE (3-METHYL-13C, 99%)…

VITAMIN C (L-ASCORBIC ACID) (U-13C6, 98%)…

(6S)-5-METHYLTETRAHYDROFOLIC ACID, CALCIUM SALT (GL…

CITRIC ACID (1,5-13C2, 98%)…