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98684-31-2

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98684-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98684-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,8 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98684-31:
(7*9)+(6*8)+(5*6)+(4*8)+(3*4)+(2*3)+(1*1)=192
192 % 10 = 2
So 98684-31-2 is a valid CAS Registry Number.

98684-31-2Relevant articles and documents

New stabilising groups for lateral lithiation of ortho-cresol derivatives and a new route to 2-substituted chromans

Wilkinson, James A.,Raiber, Eun-Ang,Ducki, Sylvie

, p. 6329 - 6333 (2008/12/20)

2-(2-Methoxyethoxy)-toluene and 2-(2-dimethylaminoethoxy)-toluene have been lithiated using sec-BuLi under a variety of conditions and the laterally lithiated species trapped with electrophiles, including but-1-ene oxide, leading to a new synthesis of 2-ethylchroman.

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