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1439917-56-2

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1439917-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1439917-56-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,9,9,1 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1439917-56:
(9*1)+(8*4)+(7*3)+(6*9)+(5*9)+(4*1)+(3*7)+(2*5)+(1*6)=202
202 % 10 = 2
So 1439917-56-2 is a valid CAS Registry Number.

1439917-56-2Downstream Products

1439917-56-2Relevant academic research and scientific papers

New core-expanded naphthalene diimides with different functional groups for air-stable solution-processed organic n-type semiconductors

Chen, Xin,Wang, Jianguo,Zhang, Guanxin,Liu, Zitong,Xu, Wei,Zhang, Deqing

, p. 1720 - 1727 (2013)

Among the reported organic n-type semiconductors, naphthalene diimide (NDI) derivatives have received increasing attention. In this paper, we report four non-symmetric core-expanded NDI derivatives 1-4. Electrochemical, absorption spectral and theoretical

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