PRODUCT: ESTRONE Batch No.: 050201 BATCH WEIGHT: 50KG MANUF.DATE: Mar. 2005 EXPIRY DATE: Mar. 25, 2008 ITEM SPECIFICATION RESULTS Description White crystalline powder white crystalline powder Identification IR, UV, Positive Clarity of solution Clear solution as per USP27 Positive Specific rotation +158皛+165?in dioxane) +161? Loss on drying ≤0.5% 0.2% Residue on ignition ≤0.1% 0.01% Limit of equilenin and equilin Comply with USP27 requirements Positive Ordinary impurities Comply with USP27 requirements Positive Assay 97%~103% 98.5% Packaging and storage?Preserve in tight, light-resistant containers. CONCLUSION: THIS BATCH OF PRODUCT CONFORM TO USP27 STANDARD