PHR1028
1,4-对苯醌
Pharmaceutical Secondary Standard; Certified Reference Material
别名:
p-苯醌, 醌
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关于此项目
线性分子式:
C6H4(=O)2
化学文摘社编号:
分子量:
108.09
UNSPSC Code:
12352005
NACRES:
NA.24
PubChem Substance ID:
EC Number:
203-405-2
Beilstein/REAXYS Number:
773967
MDL number:
InChI
1S/C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H
InChI key
AZQWKYJCGOJGHM-UHFFFAOYSA-N
SMILES string
O=C1C=CC(=O)C=C1
grade
certified reference material, pharmaceutical secondary standard
agency
traceable to USP 1056504
vapor density
3.73 (vs air)
vapor pressure
0.1 mmHg ( 25 °C)
CofA
current certificate can be downloaded
autoignition temp.
815 °F
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
mp
113-115 °C (lit.)
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-8°C
Quality Level
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General description
1,4-苯醌是环状共轭二酮。属于醌类，天然存在于植物，真菌和细菌中。
用于质量控制的药品二级标准品，为制药实验室和制造商提供了一种方便且经济的替代方案，可用于内部工作标准品的制备。
用于质量控制的药品二级标准品，为制药实验室和制造商提供了一种方便且经济的替代方案，可用于内部工作标准品的制备。
Application
这些二级标准品是经过检验的认证标准物质(CRM)。它们适用于多种分析应用，包括但不限于药物释放测试、药物的定性和定量分析方法开发、食品和饮料质量控制检测以及其他标定应用。
Analysis Note
These secondary standards offer multi-traceability to the USP and EP (PhEur) primary standards, where they are available.
Other Notes
在我们的NMR在线平台ChemisTwin®上可以找到本品对应的数字化标准物质。您可使用ChemisTwin®上的数字等效品鉴定您的样品并进行定量分析（使用数字化外标）。可查看该物质的NMR谱图，只需点击几次鼠标，就能进行在线样品比对。欢迎点击了解更多，开启免费试用之旅。
要查看该材料的检验报告示例，请在下面的插槽中输入 LRAB7811。这只是一个示例证书，可能不是您收到的批次。
该认证标准物质（CRM）根据ISO 17034 和 ISO/IEC 17025进行生产和认证。有关此CRM使用的所有信息均可在分析证书上找到。
signalword
Danger
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Flam. Sol. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
4.1B - Flammable solid hazardous materials
flash_point_f
170.6 °F - closed cup
flash_point_c
77 °C - closed cup
法规信息
危险化学品
此项目有
Quinone chemistry and toxicity
Monks JT, et al.
Toxicology and Applied Pharmacology, 112(1), 2-16 (1992)
Vandana Bhalla et al.
Dalton transactions (Cambridge, England : 2003), 42(4), 975-980 (2012-11-21)
A pentaquinone based compound 3a has been synthesized which undergoes significant fluorescence enhancement in the presence of Zn(2+) ions with a detection limit up to nanomolar range in THF. Further, the zinc ensemble of 3a is evaluated for its anti-oxidizing
Rozbeh Baradaran et al.
Nature, 494(7438), 443-448 (2013-02-19)
Complex I is the first and largest enzyme of the respiratory chain and has a central role in cellular energy production through the coupling of NADH:ubiquinone electron transfer to proton translocation. It is also implicated in many common human neurodegenerative
Takafumi Hasegawa et al.
Journal of neurochemistry, 87(2), 470-475 (2003-09-27)
Oxidized metabolites of dopamine, known as dopamine quinone derivatives, are thought to play a pivotal role in the degeneration of dopaminergic neurons. Although such quinone derivatives are usually produced via the autoxidation of catecholamines, tyrosinase, which is a key enzyme
S Saif Hasan et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(11), 4297-4302 (2013-02-27)
As much as two-thirds of the proton gradient used for transmembrane free energy storage in oxygenic photosynthesis is generated by the cytochrome b6f complex. The proton uptake pathway from the electrochemically negative (n) aqueous phase to the n-side quinone binding
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