Phenyl Isocyanate Carboxyl Group Labeling Reagents for HPLC Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (by HPLC) 98% MELTING RANGE 198 - 202 C 198 - 202 C LOSS ON DRYING 1

Test Specification Min Max ASSAY 97% 97%

5 % COLOR OF A 4% SOLUTION TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST COMPLETENESS OF SOLUTION TO PASS TEST TO PASS TEST SOLUBILITY IN ALCOHOL TO PASS TEST TO PASS TEST pH OF 3

1 ppb INDIUM 0

10% ORDINARY IMPURITIES TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST RETEST DATE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

Phenyl Isocyanate Carboxyl Group Labeling Reagents for HPLC Test Specification Min Max ASSAYTest Specification Min Max ASSAY (by GC) 98% REFRACTIVE INDEX @ 20[dC 1. 5356 1. 5356