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Appearance: White to slight yellow crystalline powder
Identification: Conforms
Solubility: Colorless
Water: ≤8.0
Residual on ignition: ≤0.5%
Specific optical rotation: +60°~+70°
Transmittance: ≥80%
Assay: ≥80.0%（Calculated by cefotiam anhydrous）
pH: 1.2-1.7
Related substance: ≤1.5%
Acetone: ≤3.0%
Cefotiam hydrochloride 66309-69-1