2-(4-Nitrophenyl)-4455-tetramethylimidazoline-3-oxide-1-oxyl Free Radical Kaseisorb LC ODS-300-5 00% LOSS ON DRYING 10

00% LOSS ON DRYING 10 15

50% ELEMENTAL IMPURITIES: NICKEL (Ni) AS REPORTED AS REPORTED CHROMIUM (Cr) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

Test Specification Min Max ASSAY (DRIED BASIS) 98% 98%

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

2-(4-Nitrophenyl)-4455-tetramethylimidazoline-3-oxide-1-oxyl Free Radical Kaseisorb LC ODS-300-5 00% LOSS ON DRYING 10