Naltrexone Base Monohydrate Anti-Acne Cosmetic Chemicals Test Specification Min Max SELENIUM

Test Specification Min Max SELENIUM (Se) TYPICAL 2

Test Specification Min Max ASSAY (TiCI[@4@]) 99

40% HEAVY METALS 20 ppm DIOXANE 10 ppm ETHYLENE OXIDE 5 ppm FREE POLYETHYLENE GLYCOLS 1

colorless ASSAY 5

Test Specification Min Max APPEARANCE Colorless to lig Colorless to lig

Naltrexone Base Monohydrate Anti-Acne Cosmetic Chemicals Test Specification Min Max SELENIUMTest Specification Min Max APPEARANCE White to off whi White to off whi ASSAY (ANHYDROUS, SOLVENT FREE BASIS) 98 102. 00% COMPLETENESS OF SOLUTION (in 0. 1N HCl) TO PASS TEST TO PASS TEST IDENTIFICATION, IR SPECTRUM COMPLIES WITH ST COMPLIES WITH ST SPECIFIC ROTATION, [a][@D@]25 (in 0. 1N HCl) 213 to 203 213 to 203 WATER 6. 50% LOSS ON DRYING 6. 50% RELATED COMPOUNDS TO PASS TEST TO PASS TEST RETEST DATE DATE OF MANUFACTURE RESIDUAL SOLVENTS TO PASS