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134259-04-4

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134259-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134259-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,5 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 134259-04:
(8*1)+(7*3)+(6*4)+(5*2)+(4*5)+(3*9)+(2*0)+(1*4)=114
114 % 10 = 4
So 134259-04-4 is a valid CAS Registry Number.

134259-04-4Relevant articles and documents

Sequential 1,3-dipolar cycloaddition-palladium catalysed cyclisation. A powerful new tactical combination

Grigg, Ronald,Coulter, Thomas

, p. 1359 - 1362 (2007/10/02)

A new flexible tactical combination of a 1,3-dipolar cycloaddition of an in situ generated azomethine ylide followed by a palladium catalysed cyclisation is described. The two reactions can be carried out as a 1 pot procedure if desired. Four new stereoce

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