TESTOSTERONE (2,3,4-13C3,99%) 100 UG/ML IN METHANOL…

PYRUVIC ACID (1,2-13C2, 99%)…

5-METHYLTETRAHYDROFOLIC ACID (GLUTAMIC ACID-13C5, 9…

5-METHYLTETRAHYDROFOLIC ACID (GLUTAMIC ACID-13C5, 9…

INDOXYL SULFATE, POTASSIUM SALT (13C6, 99%) CHEMICA…

VITAMIN K1 (PHYLLOQUINONE) (4A,5,6,7,8,8A-13C6, 99%…

N-PALMITOYL-D-SPHINGOSINE (CERAMIDE d18:1/16:0) (PA…

N-OLEOYL-D-SPHINGOSINE (CERAMIDE d18:1/18:1 (9z)) (…

N-OLEOYL-D-SPHINGOSINE (CERAMIDE d18:1/18:1 (9z)) (…

CHOLESTEROL (23,24,25,26,27-13C5, 99%)…