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940968-13-8

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940968-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 940968-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,9,6 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 940968-13:
(8*9)+(7*4)+(6*0)+(5*9)+(4*6)+(3*8)+(2*1)+(1*3)=198
198 % 10 = 8
So 940968-13-8 is a valid CAS Registry Number.

940968-13-8Downstream Products

940968-13-8Relevant articles and documents

Benzimidazole compound and derivatives, organic electronic transmission material as well as preparation of benzimidazole compound and derivatives and application of organic electronic transmission material

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, (2018/06/15)

The invention belongs to the technical field of an organic photoelectric functional molecular material and discloses a benzimidazole compound and derivatives, an organic electronic transmission material as well as preparation of the benzimidazole compound and derivatives and application of the organic electronic transmission material. The organic electronic transmission material comprises at leastone of benzimidazole compound derivatives. The structure of the benzimidazole compound derivatives is as shown in a formula II or a formula III. The method comprises the following steps: (a) in a catalytic system, performing Suzuki reaction of the benzimidazole compound and double pinacol diborane and performing subsequent treatment to obtain a product containing boric acid ester; (b) in the catalytic system, performing coupling reaction of the product containing boric acid ester and 3-bromine-1,10-phenanthroline or 2-chlorine-4,6-diphenyl-1,3,5-triazine and performing subsequent treatment toobtain the benzimidazole compound derivatives. The organic electronic transmission material has high heat stability and film appearance stability and is favorable for improving the stability of devices; and the synthesis method is simple and easy in purification. (The formula is as shown in the description).

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