Merck
CN
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文件

U0881

Sigma-Aldrich

尿酸

BioXtra, ≥99% (HPLC)

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别名:
2,6,8-三羟基嘌呤
经验公式（希尔记法）:
C5H4N4O3
CAS号:
69-93-2
分子量:
168.11
Beilstein:
156158
EC 号:
200-720-7
MDL编号:
MFCD00005712
PubChem化学物质编号:
24900620
NACRES:
NA.55

生物来源

animal (seabird feces (guano))

质量水平

200

产品线

BioXtra

检测方案

≥99% (HPLC)

形式

powder

杂质

≤0.005% Phosphorus (P)

灼烧残渣

≤0.1%

mp

>300 °C (lit.)

溶解性

1 M NaOH: soluble 50 mg/mL, clear, faintly yellow

痕量阳离子

Al: ≤0.005%
Ca: ≤0.01%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.05%
Mg: ≤0.001%
NH4+: ≤0.05%
Na: ≤0.1%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

O=C1NC(=O)C2=C(N1)NC(=O)N2

InChI

1S/C5H4N4O3/c10-3-1-2(7-4(11)6-1)8-5(12)9-3/h(H4,6,7,8,9,10,11,12)

InChI key

LEHOTFFKMJEONL-UHFFFAOYSA-N

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相关类别

一般描述

尿酸是人类嘌呤降解的最终产物。它是由黄嘌呤氧化酶对黄嘌呤的作用形成。尿酸水平升高在临床上表现为痛风。在除人类以外的物种中，尿酸可进一步代谢。在除灵长类动物以外的哺乳动物中，尿酸可转化为尿囊素。在硬骨鱼中，尿囊素可进一步转化为尿囊酸盐，然后水解成尿素和乙醛酸。尿酸还可用于嘌呤的生物合成。它已被研究用作过氧亚硝基等生物自由基的清除剂。已有相关文献发表了关于尿酸的高效液相色谱（HPLC）和气相色谱-质谱（GC-MS）法。尿酸可促进血管平滑肌细胞中单核细胞趋化蛋白-1（MCP-1）的表达。

应用

尿酸已用于：
  • 制备尿酸钠（MSU）结晶，以研究其对核定位富含亮氨酸重复序列1（NLRP1）基因表达的影响
  • 还原剂，以测试其对正铁肌红蛋白形成的保护能力
  • 制备MSU，以研究其作为Clec12a特异性配体的用途。

储存分类代码

11 - Combustible Solids

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

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Konstantin Neumann et al.
Immunity, 40(3), 389-399 (2014-03-19)
Recognition of cell death by the innate immune system triggers inflammatory responses. However, how these reactions are regulated is not well understood. Here, we identify the inhibitory C-type lectin receptor Clec12a as a specific receptor for dead cells. Both human
R B Kean et al.
Journal of immunology (Baltimore, Md. : 1950), 165(11), 6511-6518 (2000-11-22)
Uric acid (UA), a product of purine metabolism, is a known scavenger of peroxynitrite (ONOO(-)), which has been implicated in the pathogenesis of multiple sclerosis and experimental allergic encephalomyelitis (EAE). To determine whether the known therapeutic action of UA in
H Ulrich Hink et al.
Arteriosclerosis, thrombosis, and vascular biology, 22(9), 1402-1408 (2002-09-17)
The cytosolic form of Cu/Zn-containing superoxide dismutase (SOD1) has peroxidase activity, with H2O2 used as a substrate to oxidize other molecules. We examined peroxidase properties of the extracellular form of SOD (SOD3), a major isoform of SOD in the vessel
Waleed Al Abdulmonem et al.
Protein and peptide letters, 28(3), 282-289 (2020-09-23)
Myoglobin is an oxygen binding protein and its dysfunction has been associated with the pathology of several human disorders. This study was undertaken to investigation the role of hydrogen peroxide (H2O2) in the formation of met-myoglobin and the protective potential
John Kanellis et al.
Hypertension (Dallas, Tex. : 1979), 41(6), 1287-1293 (2003-05-14)
Previous studies have reported that uric acid stimulates vascular smooth muscle cell (VSMC) proliferation in vitro. We hypothesized that uric acid may also have direct proinflammatory effects on VSMCs. Crystal- and endotoxin-free uric acid was found to increase VSMC monocyte
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Uric Acid in Cell Culture

Uric acid is not a direct additive to any of the classical cell culture media. However, it is present in animal sera. Consequently, uric acid is typically present in complete serum-supplemented classical cell culture systems.

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