N-Acetyl-L-tryptophan ICP-MS Inorganic Chemical Standards ANHYDROUS BASIS) 98

ANHYDROUS BASIS) 98

06% NITRATE (NO[@3@]) TO PASS TEST READILY OXIDIZABLE SUBSTANCES TO PASS TEST ELEMENTAL IMPURITIES: IRIDIUM (Ir) AS REPORTED AS REPORTED RHODIUM (Rh) AS REPORTED AS REPORTED BARIUM (Ba) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

20% LEAD (Pb) 20 ppm ARSENIC (As) 3 ppm MERCURY (Hg) 1 ppm

Test Specification Min Max ASSAY 790 ug/mg 790 ug/mg SPECIFIC ROTATION [a][@D@] +135 to +150 +135 to +150 CRYSTALLINITY TO PASS TEST TO PASS TEST pH OF A 1 IN 10 SOLUTION 3

N-Acetyl-L-tryptophan ICP-MS Inorganic Chemical Standards ANHYDROUS BASIS) 98