EUK 134

Catalog No.S4261

EUK 134, a synthetic superoxide dismutase (SOD)/catalase mimetic, exhibits potent antioxidant activities, and inhibits the formation of β-amyloid and related amyloid fibril.

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EUK 134 Chemical Structure

EUK 134 Chemical Structure
Molecular Weight: 416.74

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Quality Control & MSDS

Product Information

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Product Description

Biological Activity

Description EUK 134, a synthetic superoxide dismutase (SOD)/catalase mimetic, exhibits potent antioxidant activities, and inhibits the formation of β-amyloid and related amyloid fibril.
Targets [1]
In vitro EUK 134 shows potent catalase and SOD activities, and protects human fibroblasts against cytotoxicity by glucose and glucose oxidase. [1] EUK 134 (20 μM) prevents Aβ-induced microglial proliferation in vitro. [2] In SK-N-MC cells, EUK134 protects neuronal cells against H(2)O(2) toxicity by attenuating oxidative stress through inhibition of MAPK pathway, and also results in decreased expression of pro-apoptotic genes p53 and Bax as well as enhanced expression of anti-apoptotic Bcl-2 gene. [3] EUK 134 significantly inhibits amyloid formation at two molar ratios of 1:1 and 5:1 (drugs to protein). [4]
In vivo EUK 134 (2.5 mg/kg), in a middle cerebral artery occlusion model, significantly reduces brain infarct size, and apparently prevents further infarct growth. [1] EUK-134 prevents oxidative stress and attenuates rat brain damage induced by systemic administration of systemic kainic acid (KA). [5]

Protocol(Only for Reference)

Animal Study: [1]

Animal Models Rat model in stroke.
Formulation 0.9% saline
Dosages ~2.5 mg/kg
Administration i.v.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesMouseRatRabbitGuinea pigHamsterDog
Weight (kg)
Body Surface Area (m2)0.0070.0250.
Km factor36128520
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)


[1] Baker K, et al. J Pharmacol Exp Ther. 1998, 284(1), 215-221.

[2] Jekabsone A, et al. J Neuroinflammation. 2006, 3, 24.

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Chemical Information

Download EUK 134 SDF Download EUK 134 SDF
Molecular Weight (MW) 416.74


CAS No. 81065-76-1
Storage 3 years -20℃powder
2 years -80℃in solvent
Synonyms N/A
Solubility (25°C) * In vitro DMSO 83 mg/mL (199.16 mM)
Water 13 mg/mL (31.19 mM)
Ethanol <1 mg/mL (<1 mM)
In vivo
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Name chloro[[2,​2'-​[1,​2-​ethanediylbis[(nitrilo-​κN)methylidyne]]bis[6-​methoxyphenolato-​κO]]]-​manganese

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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