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1428635-28-2

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1428635-28-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428635-28-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,6,3 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1428635-28:
(9*1)+(8*4)+(7*2)+(6*8)+(5*6)+(4*3)+(3*5)+(2*2)+(1*8)=172
172 % 10 = 2
So 1428635-28-2 is a valid CAS Registry Number.

1428635-28-2Relevant articles and documents

Bicarbazole derivatives and organic light emitting device thereof

-

, (2018/04/03)

The invention provides bicarbazole derivatives and an organic light emitting device thereof, and belongs to the technical field of organic light emitting materials. The bicarbazole derivatives solve technical problems in the prior art that luminous performance is poor, for example, luminous efficiency is low, and service life is short. According to the invention, 3 and 3' positions of two carbazole structures are connected to form a bicarbazole structure, charge carrier injection balance is improved through adjusting groups of R1, R2, Ar1, and Ar2, and the recombination ratio of electrons andelectron holes in a luminous layer is improved. The bicarbazole derivatives provided by the invention can be used for the organic light emitting device, and especially used as host materials of a luminescent layer in the organic light-emitting device to exhibit the advantages of higher luminous efficiency and obviously-increased service life; and the organic light emitting device provided by the invention is superior to a current common OLED (organic light emitting diode) device.

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