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1224635-24-8

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1224635-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1224635-24-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,6,3 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1224635-24:
(9*1)+(8*2)+(7*2)+(6*4)+(5*6)+(4*3)+(3*5)+(2*2)+(1*4)=128
128 % 10 = 8
So 1224635-24-8 is a valid CAS Registry Number.

1224635-24-8Relevant articles and documents

Gold-catalyzed intramolecular alkyne cycloisomerization cascade: Direct synthesis of aryl-annulated[a]carbazoles from aniline-substituted diethynylarenes

Hirano, Kimio,Inaba, Yusuke,Watanabe, Toshiaki,Oishi, Shinya,Fujii, Nobutaka,Ohno, Hiroaki

supporting information; experimental part, p. 368 - 372 (2010/06/11)

Aniline-substituted diethynylarenes, which are readily synthesized through Sonogashira coupling reactions from commercially available 1,2-dihaloarenes, directly produce aryl- and heteroaryl-annulated [a]carbazoles by the gold-catalyzed intramolecular casc

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