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Guanosine

Cas:
118-00-3
Molecular Structure:
MDL:
MFCD00010182
Molecular Formula:
C10H13N5O5
Molecular Weight:
283.24
Alias:
鸟苷,鸟嘌呤核甙, 9-beta-D-呋喃核苷鸟嘌呤 9-(β-D-Ribofuranosyl)guanine Guanine-9-β-D-ribofuranoside Guanine riboside Guanine riboside hydrate 2-Amino-9-beta-D-ribofuranosyl-9H-purine-6-(1H)-one
Product order:
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
Character:
白色或类白结晶性粉末。微溶于水,不溶于乙醇、乙醚。溶于乙酸。
熔点:250 °C
Quality Standard:
99%:

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 

Storage:
室温保存
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