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Product name AZITHROMYCIN CAS 83905-01-5 HS CODE 29419090 Expiry 5years Standard Current EP Appearance    White or almost white crystalline powder Solubility   Practically insoluble in water, freely soluble in anhydrous ethanol and inmethylene chloride Identification IR     Conforms to Azithromycin RSShould be clear and colourless .Between 9.0 and l1.0Between -45 and -49 Related substance Impurity L ≤0.5% Impurity M ≤0.5% Impurity E ≤0.5% Impurity F ≤0.5%...