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1538574-84-3

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1538574-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1538574-84-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,8,5,7 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1538574-84:
(9*1)+(8*5)+(7*3)+(6*8)+(5*5)+(4*7)+(3*4)+(2*8)+(1*4)=203
203 % 10 = 3
So 1538574-84-3 is a valid CAS Registry Number.

1538574-84-3Downstream Products

1538574-84-3Relevant articles and documents

INDENOTRIPHENYLENE DERIVATIVES AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME

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Paragraph 0029-0030, (2014/05/20)

The present invention discloses a new indenotriphenylene derivatives and organic light emitting device using the derivatives. The organic light emitting device employing new indenotriphenylene derivatives as host material can lower driving voltage, prolong half-lifetime, increasing efficiency. The new indenotriphenylene derivatives are represented by the following formula (A): Wherein A1, A2 are substituted or unsubstituted fused ring hydrocarbon units with one to five rings. Preferably A1, A2 are phenyl group, naphthyl group, anthracenyl group, pyrenyl group, chrysenyl group. Perylenyl group. R1 to R4 are identical or different. R1 to R4 are independently selected from the group consisting of a hydrogen atom, a halide, alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 6 to 30 carbon atoms. X is selected from carbon atom or nitrogen atom.

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