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Merck
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257621

Sigma-Aldrich

2,2-二(4-叔辛基苯基)-1-苦基肼基，自由基

同義詞:

2,2-二(4-叔辛基苯基)-1-苦基肼基, 2,2-双[4-(1,1,3,3-四甲基丁基)苯基]-1-(2,4,6-三硝基苯基)肼基, DPPH

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About This Item

經驗公式（希爾表示法）:
C34H44N5O6
CAS號碼:
84077-81-6
分子量：:
618.74
MDL號碼:
MFCD00012032
分類程式碼代碼:
12352005
PubChem物質ID:
24855599
NACRES:
NA.22

形狀

solid

mp

171 °C (dec.) (lit.)

λmax

531 nm

儲存溫度

2-8°C

SMILES 字串

CC(C)(C)CC(C)(C)c1ccc(cc1)N([N]c2c(cc(cc2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)c3ccc(cc3)C(C)(C)CC(C)(C)C

InChI

1S/C34H44N5O6/c1-31(2,3)21-33(7,8)23-11-15-25(16-12-23)36(26-17-13-24(14-18-26)34(9,10)22-32(4,5)6)35-30-28(38(42)43)19-27(37(40)41)20-29(30)39(44)45/h11-20H,21-22H2,1-10H3

InChI 密鑰

CLOCMRDQPYXVKP-UHFFFAOYSA-N

一般說明

2,2-二(4-叔辛基苯基)-1-苦基肼基(DPPH)是一种“稳定”的自由基，因为它的保质期长，并可在一般的实验室条件下合成和储存。

應用

2,2-二(4-叔辛基苯基)-1-苦基肼基(DPPH)可作为电子顺磁共振光谱法(EPR)的校准标准品，以及聚合物的自由基清除剂。也可作为“DPPH比色法”的有效试剂，用于检测各种化合物（大部分为酚类）的自由基清除能力。DPPH与抗氧化剂反应后，颜色从深紫色变成浅黄色，通过分光光度法可测定抗氧化剂活性。

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

分析證明 (COA)

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Zeynep Akar et al.
Journal of enzyme inhibition and medicinal chemistry, 32(1), 640-647 (2017-03-07)
2,2-Diphenyl-1-picrylhydrazyl (DPPH•) radical scavenging, the most commonly used antioxidant method with more than seventeen thousand articles cited, is very practical; however, as with most assays, it has the major disadvantage of dependence on a spectrophotometer. To overcome this drawback, the
DPPH (2, 2-di (4-tert-octylphenyl)-1-picrylhydrazyl) radical scavenging mixed-mode colorimetric assay (s)
Measurement of Antioxidant Activity and Capacity: Recent Trends and Applications, 141-164 (2017)
Ramona Figat et al.
Molecules (Basel, Switzerland), 25(5) (2020-03-04)
Traditional medicinal plants are an important source of active compounds with potential antimutagenic activity. Polyscias filicifolia Bailey (Araliaceae) is a South Asian traditional herb used as an adaptogenic and cardiac drug. Extracts of P. filicifolia contain a wide range of
Huanhuan Xu et al.
Frontiers in cell and developmental biology, 8, 822-822 (2020-10-06)
Caffeine is chemically stable and not readily oxidized under normal physiological conditions but also has antioxidant effects, although the underlying molecular mechanism is not well understood. Superoxide dismutase (SOD) 2 is a manganese-containing enzyme located in mitochondria that protects cells
Christian Galasso et al.
International journal of molecular sciences, 21(22) (2020-11-22)
The antioxidant activity of natural compounds consists in their ability to modulate gene and protein expression, thus inducing an integrated cell protective response and repair processes against oxidative stress. New screening tools and methodologies are crucial for the actual requirement
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