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1170144-64-5

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1170144-64-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1170144-64-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,0,1,4 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1170144-64:
(9*1)+(8*1)+(7*7)+(6*0)+(5*1)+(4*4)+(3*4)+(2*6)+(1*4)=115
115 % 10 = 5
So 1170144-64-5 is a valid CAS Registry Number.

1170144-64-5Relevant articles and documents

Boronic acid catalyzed ene carbocyclization of acetylenic dicarbonyl compounds

Li, Meiling,Yang, Ting,Dixon, Darren J.

supporting information; body text, p. 2191 - 2193 (2010/07/08)

The discovery and development of an efficient ene carbocyclization of 1,3-dicarbonyl compounds bearing pendent terminal alkyne substituents under 3-nitrobenzeneboronic acid catalysis is described. The reaction is efficient, easy to perform and general to a wide range of ketoester substrates.

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