Tyrosine USP Analytical Mixtures 10% ELEMENTAL IMPURITIES AS REPORTED

10% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

00% AMMONIUM (NH[@4@]) 0

90% SULFATE 50 ppm ALUMINUM 25 ppm BARIUM 50 ppm CALCIUM (Ca) 15 ppm CHROMIUM (Cr) 10 ppm IRON (Fe) 10 ppm LITHIUM 5 ppm MAGNESIUM (Mg) 10 ppm POTASSIUM (K) 5 ppm RUBIDIUM (Rb) 250 ppm SODIUM (Na) 20 ppm

C pH OF A 2

Tyrosine USP Analytical Mixtures 10% ELEMENTAL IMPURITIES AS REPORTEDTest Specification Min Max ASSAY (DRIED BASIS) 98. 5 101. 50% SPECIFIC ROTATION [a][@D@] 9. 8 to 11. 2 9. 8 to 11. 2 LOSS ON DRYING 0. 30% RELATED COMPOUNDS TO PASS TEST TO PASS TEST RESIDUE ON IGNITION 0. 40% CHLORIDE (Cl) 0. 04% SULFATE 0. 04% IRON 30 ppm ELEMENTAL IMPURITIES: CADMIUM (Cd) AS REPORTED LEAD (Pb) AS REPORTED ARSENIC (As) AS REPORTED MERCURY (Hg) AS REPORTED IDENTIFICATION TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE