Tetrahydrofuran Stabilized with BHT Exceeds A.C.S. Specifications HPLC Grade Analgesic APIs Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE TO PASS TEST TO PASS TEST APPEARANCE/COLOR OF SOLUTION TO PASS TEST TO PASS TEST ASSAY (HPLC

Test Specification Min Max HOLMIUM 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3123 3123 EXPIRATION DATE

01% CHLORIDE (Cl) 1 ppm IRON (Fe) 0

Test Specification Min Max DYE CONTENT 95%

400 cP LOSS ON DRYING @ 105 C 5

Tetrahydrofuran Stabilized with BHT Exceeds A.C.S. Specifications HPLC Grade Analgesic APIs Test Specification Min Max APPEARANCETest Specification Min Max ASSAY (C[@4@]H[@8@]O) 99. 90% STABILIZER (BUTYLHYDROXYTOLUENE) 0. 02 0. 03 % 0. 02 0. 03 % COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0. 03% PEROXIDE (as H[@2@]O[@2@], AT TIME OF PACKG.) 0. 02% WATER 0. 03% RETEST DATE