Methyl tert-Butyl Ether HPLC Grade Nucleic Acid Derivatives RNase and Protease NONE DETECTED

RNase and Protease NONE DETECTED NONE DETECTED

00% SPECIFIC ROTATION [a][@D@] +82

Test Specification Min Max ASSAY (Fe) 20 22 g/100 NITRATE (NO[@3@]) TO PASS TEST TO PASS TEST FERROUS SALTS TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST CERTIFIED HALAL EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

Test Specification Min Max ASSAY 99% 99% MELTING POINT 213 - 219 C 213 - 219 C

00% ACTUAL VISCOSITY AS REPORTED AS REPORTED LEAD (Pb) 3 mg/kg LOSS ON DRYING 3

Methyl tert-Butyl Ether HPLC Grade Nucleic Acid Derivatives RNase and Protease NONE DETECTEDTest Specification Min Max ASSAY (by GC) 99. 80% ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) TO PASS TEST TO PASS TEST COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 2 ppm PEROXIDE (as H[@2@]O[@2@]) 1 ppm WATER 0. 05% RETEST DATE