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889574-44-1

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889574-44-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 889574-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,5,7 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 889574-44:
(8*8)+(7*8)+(6*9)+(5*5)+(4*7)+(3*4)+(2*4)+(1*4)=251
251 % 10 = 1
So 889574-44-1 is a valid CAS Registry Number.

889574-44-1Relevant academic research and scientific papers

Dearomatising cyclisation of lithiated allyl phenyl ethers: The role of an oxazoline substituent

Harvey, Rebecca A.,Karlubíková, Ol'Ga,Parris, Sean,Clayden, Jonathan

, p. 4064 - 4066 (2013/07/26)

Treatment of 3-allyloxyphenyl oxazolines with organolithium bases leads to allyllithiums which undergo dearomatising cyclisation. The resulting dearomatised anions may be quenched with electrophiles to form partially saturated benzopyran derivatives.

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