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501947-55-3

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501947-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 501947-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,9,4 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 501947-55:
(8*5)+(7*0)+(6*1)+(5*9)+(4*4)+(3*7)+(2*5)+(1*5)=143
143 % 10 = 3
So 501947-55-3 is a valid CAS Registry Number.

501947-55-3Downstream Products

501947-55-3Relevant academic research and scientific papers

Metal-catalyzed cross-coupling reactions for the synthesis of functionalized 1,4,5,8-tetraazafulvalenes

Kaepplinger, Christian,Beckert, Rainer

, p. 1843 - 1850 (2007/10/03)

Tetraazafulvalenes can be cross-coupled (palladium-catalyzed) with alkenes or acetylenes. Although Suzuki conditions fail, the Heck and the Sonogashira methods are useful tools for functionalizing tetraazafulvalenes. Starting from the tetraiodoaryl deriva

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