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134419-78-6

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134419-78-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134419-78-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,1 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 134419-78:
(8*1)+(7*3)+(6*4)+(5*4)+(4*1)+(3*9)+(2*7)+(1*8)=126
126 % 10 = 6
So 134419-78-6 is a valid CAS Registry Number.

134419-78-6Relevant articles and documents

ICl-induced intramolecular electrophilic cyclization of 1-[4′-methoxy(1,1′-biphenyl)2-yl]alkynones - A facile approach to spiroconjugated molecules

Chen, Yu,Liu, Xiaochen,Lee, Minwook,Huang, Chenlong,Inoyatov, Igor,Chen, Zhiwei,Perl, Abraham C.,Hersh, William H.

, p. 9795 - 9799 (2013)

Spiro compounds: An iodine monochloride-induced intramolecular cyclization of 1-[4′-methoxy(1,1′-biphenyl)2-yl]alkynones has been developed (see scheme). An electrophilic iodocyclization selectively takes place at the ipso position (versus the ortho elect

Synthesis of dibenzocyclohepten-5-ones by electrophilic iodocyclization of 1-([1,1′-Biphenyl]-2-yl)alkynones

Chen, Yu,Huang, Chenlong,Liu, Xiaochen,Perl, Eliyahu,Chen, Zhiwei,Namgung, Jieun,Subramaniam, Gopal,Zhang, Gan,Hersh, William H.

, p. 3452 - 3464 (2014/05/06)

A synthesis of iodo-substituted dibenzocyclohepten-5-ones by the iodine monochloride (or iodine)-induced intramolecular 7-endo-dig cyclization of 1-([1,1′-biphenyl]-2-yl)alkynones is reported. Detailed investigations on the substituent effects during the

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