Name | Specifications | Packing | Price | Delivery |
D-Galactose | >99.0% | 25g | RMB 211.2 | 促銷 |
D-Galactose | >99.0% | 100g | RMB 759 | 現(xiàn)貨 |
D-Galactose | 用于細胞和昆蟲細胞培養(yǎng),≥99.0% | 500g | RMB 1540 | Consulting service |
D-Galactose | 用于細胞和昆蟲細胞培養(yǎng),≥99.0% | 100g | RMB 418 | Consulting service |
D-Galactose | 分析標準品 | 250mg | RMB 239.8 | Consulting service |
D-Galactose | 98% | 500g | RMB 858 | Consulting service |
D-Galactose | 98% | 100g | RMB 308 | Consulting service |
D-Galactose | 98% | 25g | RMB 110 | 現(xiàn)貨 |
純度Purity ≥98.0% (HPLC)
比旋光度Specific rotation [a]20/D 79.5?~80.5?
硫酸鹽Sulfate ≤ 0.005%
氯化物(Cl)Chloride ≤ 0.003%
澄清度試驗Clarity 合格
灼燒殘渣(以硫酸鹽計)Ignition residue,% ≤ 0.1%
99%:
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry 符合
純度Purity >99.0% (HPLC)
水溶性實驗Solubility in Water 溶液透明(10% 水溶液)
水分Water <0.3 % (K.F.)
硫酸鹽灰分Sulfated ash <0.05 % (以干基計)
比旋光度Specific rotation [a]20/D +79°~ +81.5° (c=10, 水, NH3)
品級Grade 用于細胞和植物細胞培養(yǎng)
(cell culture tested, insect cell culture tested)
含量assay ≥99.0% (sum of enantiomers, HPLC)
比旋光度Specific rotation [a]20/D +80±1°, 24 hr, c = 5% in H2O
灼燒殘渣Residue on ignition ≤0.1% (as SO4)
干燥損失loss on drying ≤0.1%
熔點Melting point 167-170 °C
水溶性solubility H2O: soluble0.1 g/mL, clear, colorless
細胞培養(yǎng)測試Cell Culture Test Pass
昆蟲細胞培養(yǎng)測試Insect Cell Test Pass
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