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1257879-55-2

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1257879-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257879-55-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,8,7 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1257879-55:
(9*1)+(8*2)+(7*5)+(6*7)+(5*8)+(4*7)+(3*9)+(2*5)+(1*5)=212
212 % 10 = 2
So 1257879-55-2 is a valid CAS Registry Number.

1257879-55-2Downstream Products

1257879-55-2Relevant articles and documents

ORGANIC MATERIALS AND ORGANIC ELECTROLUMINESCENT APPARATUSES USING THE SAME

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Page/Page column 13, (2012/10/07)

Organic materials and organic electroluminescent apparatuses using the same are provided. The structural general formula of the materials is shown below, wherein Ar is selected from residues of C6-C30 fused-ring aromatic hydrocarbons, Ar1 and Ar2 are each independently selected from the group consisting of hydrogen, C6-C24 aryl, and C6-C24 heterocyclic aryl, and n is an integer selected from 2 and 3. The present organic materials can be used as electron transport layers in the organic electroluminescent apparatuses.

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