外观Appearance White Powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity ≥99.99% Based on Trace Metals Impurities
比旋光度Specific rotation [a]20/D +20.5 to +21.5 °
总痕量金属杂质total metallic impurities ≤100ppm by ICP Atomic emission
品级Grade 用于细胞培养
(for cell culture)
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥98.0% (碘量滴定)
水溶解试验solubility in water 合格,50 MG/ML
细胞培养试验Cell culture test PASS
品级Grade 用于植物细胞培养
(for plant cell culture)
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥98.0% (碘量滴定)
水溶解试验solubility in water 合格,50 MG/ML
植物细胞培养试验Plant cell culture test PASS
品级Grade 优级纯
(GR)
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.9% (碘量滴定)
水溶解试验solubility in water 合格,50 MG/ML
USP30级,325目
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity(碘量滴定) ≥99.9%
比旋光度Specific rotation [a]20/D +20.5 to +21.5 °
灼烧残渣Residue on ignition ≤0.1 %
重金属Heavy metals (as Pb) ≤0.002%
溶液残留Residual solvents Meets the requirements