Guanine
Molecular Structure:
MDL:
MFCD00071533
Molecular Formula:
C5H5N5O
Molecular Weight:
151.13
Alias:
鳥(niǎo)糞素,鳥(niǎo)便嘌呤,2-氨基-6-羥基嘌呤,2-氨基次黃嘌呤
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%(無(wú)水) |
5g |
RMB 396 |
現(xiàn)貨 |
Guanine |
99% |
500g |
RMB 1980 |
Consulting service |
Guanine |
99% |
100g |
RMB 550 |
Consulting service |
Guanine |
99% |
25g |
RMB 198 |
Consulting service |
Character:
白色正方形結(jié)晶或無(wú)定形粉末。易溶于氫氧化銨、氫氧化鈉堿液和稀酸溶液,微溶于乙醇和乙醚,實(shí)際上不溶于水。360℃以上分解并部分升華。有刺激性。
熔點(diǎn):360℃
最大吸收波長(zhǎng)(pH1)248.5nm、275.5nm。摩爾吸光系數(shù)11400、7350。最小吸收波長(zhǎng)224nm、267nm。吸光度比值A(chǔ)250/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:
外觀Appearance 白色或乳白色粉末
紅外光譜鑒定Infrared spectrometry 和對(duì)照品匹配
純度Purity ≥99.0% (HPLC)
純度Purity 98.0~102.0%(UV)
Em (248nm, 0.1N HCl) >11100
重金屬Heavy metals ≤0.001 %
Storage:
室溫保存
用途 生化研究。