Aminomethyl Polystyrene Resin cross-linked with 1 Percent DVB (200-400mesh) (0.5-0.9mmol/g) Chromatography Column Solid Supports Test Specification Min Max ANGULAR

Test Specification Min Max ANGULAR ROTATION -1 to -23 -1 to -23 REFRACTIVE INDEX @ 20[dC 1

Test Specification Min Max ASSAY (AVAILABLE Cl) 5

05% ARSENIC (As) 3 ppm ELEMENTAL IMPURITIES: CADMIUM (Cd) AS REPORTED AS REPORTED LEAD (Pb) AS REPORTED AS REPORTED MERCURY (Hg) AS REPORTED AS REPORTED REDUCING SUBSTANCES 1

01 USP STERILITY 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

50% pH OF A 1M SOLUTION @ 20

Aminomethyl Polystyrene Resin cross-linked with 1 Percent DVB (200-400mesh) (0.5-0.9mmol/g) Chromatography Column Solid Supports Test Specification Min Max ANGULAR