2-(2-Methoxyethoxy)ethanol Reagent Mercapto Group Labeling Reagents for Fluorescence HPLC Test Specification Min Max ULTRAVIOLET

Test Specification Min Max ULTRAVIOLET ABSORBANCE (1 cm cell vs

50% LEAD 2 mg/kg LOSS ON DRYING 15

00% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED ORGANIC IMPURITIES TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

8 SOLUBILITY IN ALCOHOL TO PASS TEST TO PASS TEST COMPLETENESS OF SOLUTION TO PASS TEST TO PASS TEST APPEARANCE OF SOLUTION TO PASS TEST TO PASS TEST LOSS ON DRYING 0

2-(2-Methoxyethoxy)ethanol Reagent Mercapto Group Labeling Reagents for Fluorescence HPLC Test Specification Min Max ULTRAVIOLETTest Specification Min Max ASSAY (C[@5@]H[@12@]O[@3@]) 98. 00% 98. 00% ACIDITY (as CH[@3@]COOH) 0. 01% WATER 0. 10%