1221237-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1221237-91-7 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, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1221237-91:
(9*1)+(8*2)+(7*2)+(6*1)+(5*2)+(4*3)+(3*7)+(2*9)+(1*1)=107
107 % 10 = 7
So 1221237-91-7 is a valid CAS Registry Number.
1221237-91-7Relevant articles and documents
NOVEL COMPOUND AND ORGANIC ELECTRONIC DEVICE USING SAME
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, (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.