Guanine
Molecular Structure:
MDL:
MFCD00071533
Molecular Formula:
C5H5N5O
Molecular Weight:
151.13
Alias:
鸟粪素,鸟便嘌呤,2-氨基-6-羟基嘌呤,2-氨基次黄嘌呤
2-Amino-6-hydroxypurine
2-Amino-1,7-dihydro-6H-purin-6-one
2-Aminohypoxanthine
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Guanine |
≥97.0%(无水) |
5g |
RMB 396 |
现货 |
Guanine |
99% |
500g |
RMB 1980 |
Consulting service |
Guanine |
99% |
100g |
RMB 550 |
Consulting service |
Guanine |
99% |
25g |
RMB 198 |
Consulting service |
Character:
白色正方形结晶或无定形粉末。易溶于氢氧化铵、氢氧化钠碱液和稀酸溶液,微溶于乙醇和乙醚,实际上不溶于水。360℃以上分解并部分升华。有刺激性。
熔点:360℃
最大吸收波长(pH1)248.5nm、275.5nm。摩尔吸光系数11400、7350。最小吸收波长224nm、267nm。吸光度比值A250/A260=1.37、A280/A260=0.84、A290/A260=0.50。pK1 (25°C) approx. 3.3 pK2 (25°C) approx. 9.2 pK3 (25°C) approx. 12.3
Quality Standard:
外观Appearance 白色或乳白色粉末
红外光谱鉴定Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0% (HPLC)
纯度Purity 98.0~102.0%(UV)
Em (248nm, 0.1N HCl) >11100
重金属Heavy metals ≤0.001 %
Storage:
室温保存
用途 生化研究。