34-Dichlorobenzonitrile Carbonyl Group Labeling Reagents for Fluorescence HPLC Test Specification Min Max POTENCY

Test Specification Min Max POTENCY (DRIED BASIS) 800 IU/mg pH OF A 2

5 ppm BARIUM 10 ppm CALCIUM (Ca) 1 ppm CHROMIUM (Cr) 0

Test Specification Min Max PARAROSANILINE ACETATE (CAS # 6035-94-5) 3 parts 3 parts PARAROSANILINE CHLORIDE (CAS # 569-61-9) 1 parts 1 parts APPEARANCE Green to very da Green to very da IDENTIFICATION TO PASS TEST TO PASS TEST SOLUBILITY OF 1 MG/ML SOLUTION (COLOR) Red to very dark Red to very dark

9 SPECIFIC OPTICAL ROTATION -188 to -200 -188 to -200 ABSORBANCE TO PASS TEST TO PASS TEST LIGHT-ABSORBING IMPURITIES TO PASS TEST TO PASS TEST RELATED SUBSTANCES TO PASS TEST TO PASS TEST HEAVY METALS 50 ppm WATER 2

LESS COLOR ARSENIC (As) 4 ppm IDENTIFICATION (A) POSITIVE SODUUM POSITIVE SODUUM IDENTIFICATION (B) POSITIVE SULFITE POSITIVE SULFITE EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS AS REPORTED

34-Dichlorobenzonitrile Carbonyl Group Labeling Reagents for Fluorescence HPLC Test Specification Min Max POTENCY