Name | Specifications | Packing | Price | Delivery |
Guanosine | ≥98% | 5g | RMB 132 | 现货 |
Guanosine | ≥98% | 10g | RMB 198 | 现货 |
Guanosine | 99.5%,用于细胞培养 | 25g | RMB 638 | Consulting service |
Guanosine | 99.5%,用于细胞培养 | 5g | RMB 181.5 | Consulting service |
Guanosine | 99% | 100g | RMB 1078 | 现货 |
Guanosine | 99% | 25g | RMB 291.5 | 现货 |
Guanosine | 99% | 5g | RMB 115.5 | 现货 |
外观Appearance 白色至浅黄色粉末
红外光谱鉴定Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0% (HPLC)
水溶性实验Solubility in hot Water 溶液透明
比旋光度Specific rotation [a]20/D -72.0 ~-78.0 °(C=1,1mol/L NaOH)
干燥失重Loss on drying <5 %
重金属Heavy metals (as Pb) <10 ppm
吸光度Ratio of Absorbances 0.91 - 0.97 (A250/A260)
0.67 - 0.71 (A280/A260)
透光率Transmittance >95 % (c=1, 1 N NaOH, 430 nm) 1 cm cell
99.5%,用于细胞培养:
外观Appearance 白色至类白色粉末
红外光谱鉴定Infrared spectrometry 和对照品匹配
纯度Purity >99.5% (HPLC)
水溶性实验Solubility in hot Water 溶液透明
比旋光度Specific rotation [a]20/D -72.0 ~-78.0 °(C=1,1mol/L NaOH)
水分Water ≤14 % (by Karl Fischer)
EmM 13.2 - 13.9
At λ Max 252 ~ 253 nm at pH 7.0
λ 252 - 253 nm
细胞培养实验Cell Culture Test Pass
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