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934490-56-9

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934490-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934490-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,4,9 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 934490-56:
(8*9)+(7*3)+(6*4)+(5*4)+(4*9)+(3*0)+(2*5)+(1*6)=189
189 % 10 = 9
So 934490-56-9 is a valid CAS Registry Number.

934490-56-9Relevant articles and documents

IMPROVED STABILITY OLED MATERIALS AND DEVICES

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Page/Page column 96, (2008/12/05)

Organic light emitting materials and devices comprising phosphorescent metal complexes comprising ligands comprising aryl or heteroaryl groups substituted at both ortho positions are described. An organic light emitting device, comprising: an anode; a hole transport layer; an organic emissive layer comprising an emissive layer host and an emissive dopant; an electron impeding layer; an electron transport layer; and a cathode disposed, in that order, over a substrate.

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