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1257248-17-1

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1257248-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257248-17-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,2,4 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1257248-17:
(9*1)+(8*2)+(7*5)+(6*7)+(5*2)+(4*4)+(3*8)+(2*1)+(1*7)=161
161 % 10 = 1
So 1257248-17-1 is a valid CAS Registry Number.

1257248-17-1Relevant articles and documents

Photoelectric conversion device including organic thin film made of compound having indenocarbazole ring

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Paragraph 0076, (2021/02/05)

The main objective of the present invention is to provide a photoelectric conversion device using a compound having excellent heat resistance and charge transportability, and an image capturing device using the photoelectric conversion device. The present invention provides a photoelectric conversion device comprising an organic thin film containing a compound having an indenocarbazole ring structure represented by the following general formula (1). (In the formula, A represents a single bond, a divalent substituted or unsubstituted aromatic hydrocarbon group, etc.; Ar1, Ar2 and Ar3 each represent a substituted or unsubstituted aromatic hydrocarbon group etc.; R1 to R9 each represent a hydrogen atom or an optionally substituted linear or branched alkyl group having 1-6 carbon atoms; and R10 and R11 each represent an optionally substituted linear or branched alkyl group having 1-6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group, etc.).

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