Uric acid
Molecular Structure:
MDL:
MFCD00005712
Molecular Formula:
C5H4N4O3
Molecular Weight:
168.10
Alias:
2,6,8-三羟基嘌呤
2,6,8-trihydroxypurine
8-Hydroxyxanthine
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Uric acid |
99% |
10g |
RMB 330 |
现货 |
Uric acid |
99% |
25g |
RMB 418 |
现货 |
Uric acid |
99% |
100g |
RMB 1496 |
现货 |
Character:
微溶于水,溶于热的浓硫酸和氢氧化钠碱溶液,溶于甘油、醋酸钠和磷酸钠,不溶于醇和醚。
熔点:>300℃
尿酸存在互变异构,主要以酮式存在。热的浓盐酸易将其分解为氨、二氧化碳和甘氨酸。与碱发生中和反应。与五氯化磷或三氯氧磷反应,生成2,6,8-三氯嘌呤。尿酸是蛋白质在动物体的代谢产物,正常人每天从尿液中约排出600mg尿酸。尿酸是人体代谢过程中的废弃物。 正常情况下,体内的尿酸大约有1200毫克,每天新生成约600毫克,同时排泄掉600毫克,处于平衡状态。但如果体内产生过多来不及排泄或者尿酸排泄机制退化,则体内尿酸潴留过多,当血液尿酸浓度大于7毫克/分升,是人体体液变酸,影响人体细胞的正常功能,长期置之不理将会引发痛风。
Quality Standard:
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 >99.0% (ex N)
干燥损失Loss on drying <0.5 % (105°C, 3 小时)
重金属Heavy metals (as Pb) <10 ppm
硫酸盐灰分Sulfated ash <0.1 %
Storage:
室温保存
用途 主要用作合成辅酶ATP(三磷酸腺苷)的原料及检验钨酸盐。
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