1221237-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1221237-21-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,2,3 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1221237-21:
(9*1)+(8*2)+(7*2)+(6*1)+(5*2)+(4*3)+(3*7)+(2*2)+(1*1)=93
93 % 10 = 3
So 1221237-21-3 is a valid CAS Registry Number.
1221237-21-3Relevant articles and documents
NOVEL COMPOUND AND ORGANIC ELECTRONIC DEVICE USING SAME
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Page/Page column 39, (2011/08/03)
The present invention relates to a novel compound and an organic light emitting device using the compound, and the compound according to the present invention may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.