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1340541-05-0

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1340541-05-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1340541-05-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,0,5,4 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1340541-05:
(9*1)+(8*3)+(7*4)+(6*0)+(5*5)+(4*4)+(3*1)+(2*0)+(1*5)=110
110 % 10 = 0
So 1340541-05-0 is a valid CAS Registry Number.

1340541-05-0Downstream Products

1340541-05-0Relevant articles and documents

Carbazole-linked porphyrin dimers for organic light emitting diodes: Synthesis and initial photophysical studies

Ryan, Aoife,Tuffy, Brian,Horn, Sabine,Blau, Werner J.,Senge, Mathias O.

, p. 8248 - 8254 (2011/11/12)

Carbazole linked porphyrin dimers were synthesized in good yields via stepwise Suzuki coupling reactions using bromoporphyrins and borylated carbazoles as the precursors, the latter of which were synthesized via known procedures from biphenyl derivatives. For comparative purposes porphyrin-carbazole monomers were synthesized. Single layer organic light emitting diodes (OLEDs) were created to demonstrate the optical properties of these materials. Light emission from these carbazole substituted porphyrins showed better results compared to previously examined bromo substituted porphyrins with better electroluminescence and lower turn-on voltages. Dimers exhibited turn-on voltages of 3 V compared to 6 V for monomeric porphyrin-carbazoles.

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