L-Histidine Monohydrochloride Monohydrate size:1 KG water) TO PASS TEST TO

water) TO PASS TEST TO PASS TEST RESIDUE AFTER EVAPORATION 5 ppm WATER 0

5 C COLOR 10 REFRACTIVE INDEX @ 25[dC 1

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

00% IDENTIFICATION TO PASS TEST TO PASS TEST RETEST DATE

00% ACIDITY / ALKALINITY TO PASS TEST HEAVY METALS (as Pb) 5 mg/kg IODIDE OR BROMIDE TO PASS TEST LOSS ON DRYING 1

L-Histidine Monohydrochloride Monohydrate size:1 KG water) TO PASS TEST TOTest Specification Min Max ASSAY (DRIED BASIS) 98. 5 101. 5 % 98. 5 101. 5 % SPECIFIC ROTATION [a][@D@] +8. 5 to+10. 5 +8. 5 to+10. 5 ARSENIC (As) 0. 00015 HEAVY METALS (as Pb) 0. 00% LOSS ON DRYING 0. 30% RESIDUE ON IGNITION 0. 10%