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Appearance: light yellow crystal powder;

Purity: ≥99.0%;

Standard: enterprise standard;

Specific optical rotation: -95°～-103°;

Related substance: ≤0.5%;

Loss on drying: ≤4.0%;

Residue on ignition: ≤0.2%;

Heavy metal: ≤20ppm;

Packaging: 25KG/drum;

Uses: antibiotics: anti-infection drug

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