1220509-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1220509-70-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,5,0 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1220509-70:
(9*1)+(8*2)+(7*2)+(6*0)+(5*5)+(4*0)+(3*9)+(2*7)+(1*0)=105
105 % 10 = 5
So 1220509-70-5 is a valid CAS Registry Number.
1220509-70-5Relevant articles and documents
NOVEL AROMATIC DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME
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Page/Page column 29-30, (2010/04/27)
The compound of formula (I) of the present invention has improved thermal and thin film stability which can be advantageously used in the manufacture of an organic electroluminescent device having improved properties in terms of luminous efficiency, operation stability, color purity, and life time.
