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27252-69-3

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27252-69-3 Usage

Hazard

A severe eye irritant

Check Digit Verification of cas no

The CAS Registry Mumber 27252-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,5 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27252-69:
(7*2)+(6*7)+(5*2)+(4*5)+(3*2)+(2*6)+(1*9)=113
113 % 10 = 3
So 27252-69-3 is a valid CAS Registry Number.

27252-69-3Relevant articles and documents

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Prelog,V.,Bedekovic,D.

, p. 2285 - 2303 (1979)

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Chiral Biphenyl Bis(crown ethers): Synthesis and Resolution

Lindsten, Goeran,Wennerstroem, Olof,Isaksson, Roland

, p. 547 - 554 (1987)

New chiral bis(crown ethers) with a central 2,2',6,6'-tetraoxybiphenyl unit have been prepared and resolved.Their complexing properties and absolute configuration are discussed.

Polyethylene glycol chain connected dication ionic liquid and preparation method thereof, and SO2 gas trapping method

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Paragraph 0035; 0037; 0045; 0048; 0049; 0052; 0053, (2020/02/14)

The invention discloses a polyethylene glycol (PEG) chain connected dication ionic liquid and a preparation method thereof, and an SO2 trapping method. According to the PEG chain linked dication ionicliquid, an ionic liquid composition comprises an anion and a cation; the cation is described in the specification, wherein R is CmH2m+1, m is an integer, m is more than or equal to 0 and less than orequal to 10, and n is an integer and is greater than or equal to 1 and less than or equal to 12. A PEG chain is connected with two imidazole or imidazole analogue biimidazole cations to be matched with different types of anions to form the stable and low-toxicity PEG chain connected functional dication ionic liquid, and the PEG chain connected functional dication ionic liquid is used for SO2 treatment, so that an efficient and reversible absorption effect can be achieved.

Polyoxometalate-based Gemini ionic catalysts for selective oxidation of benzyl alcohol with hydrogen peroxide in water

Hao, Pengbo,Zhang, Mingjie,Zhang, Wei,Tang, Zhiyang,Luo, Ni,Tan, Rong,Yin, Donghong

, p. 4463 - 4473 (2018/09/11)

Keggin-type phosphotungstic acid (H3PW12O40, HPW)-based di-imidazolium ionic liquid (IL) hybrids were prepared by exchanging the protons of HPW with PEG-bridged di-imidazolium cations in water. Characterization results sug

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