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Eszopiclone [
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Cas no.: 138729-47-2, appearance, off-white to pale yellow powder, chiral impurity ≤0.5%, loss on drying ≤0.5%, residue on ignition ≤0.1%, heavy metals ≤20ppm, purity (hplc) ≥99%.
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Company:
Shanghai Dnd Pharm-technology Co. inc.
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