VITAMIN B3 (NICOTINAMIDE) (13C6, 99%)…

TETRACOSANOIC ACID (1,2,3,4,5,6-13C6, 99%) CHEMICAL…

5-HYDROXYINDOLE-3-ACETIC ACID (3A,4,5,6,7,7A-13C6, …

D-GLUCURONIC ACID SODIUM SALT MONOHYDRATE (U-13C6, …

DECANOIC ACID (13C10, 98%)…

NESTORONE CHEMICAL PURITY 96% (16-METHYLENE-13C, 20…

TAUROURSODEOXYCHOLIC ACID, SODIUM SALT (TAURINE-13C…

TAUROCHOLIC ACID, SODIUM SALT (TAURINE-13C2, 99%; 1…

CODEINE (95% CHEMICAL PURITY) (9,10,15,16-13C4,98%;…

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