Colchicine USP size:1 GM 15% ELEMENTAL IMPURITIES AS REPORTED

15% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED ORGANIC IMPURITIES TO PASS TEST TO PASS TEST IDENTIFICATION (A) TO PASS TEST TO PASS TEST IDENTIFICATION (B) TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

7 LEAD (Pb) 10 ppm HEAVY METALS 20 ppm LOSS ON DRYING 1% RESIDUE ON IGNITION 0

01% ORGANIC IMPURITIES TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES: COPPER (Cu) 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 PURITY (GC) 80

10% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE

Colchicine USP size:1 GM 15% ELEMENTAL IMPURITIES AS REPORTEDTest Specification Min Max ASSAY (ANHYDROUS, SOLVENT FREE BASIS) 94 101. 00% SPECIFIC ROTATION [a][@D@] 240?? to 250?? td> 240?? to 250?? td> CHROMATOGRAPHIC PURITY TO PASS TEST WATER DETERMINATION 2. 00% COLCHICEINE TO PASS TEST ETHYL ACETATE 8. 00% ELEMENTAL IMPURITIES AS REPORTED IDENTIFICATION TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST