4-Methoxyphenyl 34-O-Isopropylidene-6-O-(4-methylbenzoyl)-beta-D Diazomethane Precursors & Equivalents 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

Test Specification Min Max ASSAY (by TITRATION) 97 - 103 % 97 - 103 % APPEARANCE OFF WHITE POWDER OFF WHITE POWDER

10% LEAD (Pb) 2 mg/kg LOSS ON IGNITION 0

997 ALDEHYDES (AS PROPIONALDEHYDE) TO PASS TEST LEAD (Pb) 2 mg/kg NONVOLATILE RESIDUE 0

4-Methoxyphenyl 34-O-Isopropylidene-6-O-(4-methylbenzoyl)-beta-D Diazomethane Precursors & Equivalents 15% ELEMENTAL IMPURITIES AS REPORTED