Azithromycin CAS NO.83905-01-5

Name: Azithromycin
SKU: 83905-01-5
Availability: InStock

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Tests	Specification	Results
Appearance	White crystalline powder	Conform
Identification	IR:Conforms to the spectrum of Azithromycin RS HPLC: The retention time of azithromycin peak in the chromatogram of the assay preparation corresponds to t hat in the chromatogram of the standard preparation, as obtained in the assay.	Conform Conform
Specific rotation	-45°~-49°	-47°
Crystallinity	Meets the requirements	Conform
PH	9.0~11.0(2mg/ml methanol-water 1:1)	10.1
Water	4.0%~5.0%	4.45%
Related substance	N-demethylazithromycin ≤0.7% Desosmnlaylazithromycin≤0.3% Any other impurity≤1.0% total≤3.0%	0.5% Not found 0.6% 2.3%
Residue on ignition	≤0.3%	0.06%
Heavy metals	≤25ppm	<25ppm
Assay	≥98.5%	99.0%