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344564-13-2

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344564-13-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344564-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,5,6 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 344564-13:
(8*3)+(7*4)+(6*4)+(5*5)+(4*6)+(3*4)+(2*1)+(1*3)=142
142 % 10 = 2
So 344564-13-2 is a valid CAS Registry Number.

344564-13-2Downstream Products

344564-13-2Relevant articles and documents

NUCLEOPHILIC ADDITION TO STYRYL SULPHONES. PART I. A STUDY ON THE REGIOCHEMISTRY.

Benedetti, F.,Fabrissin, S.,Risaliti, A.

, p. 3887 - 3894 (2007/10/02)

Styryl sulphones undergo nucleophilic addition, with the nucleophile adding at the α- or the β-position, with respect to the sulphone group; β-attack is normally favoured over α-attack.Factors which can change the regioselectivity in favour of the addition of the nucleophile to the α-position are discussed for heteronucleophiles as well as carbon nucleophiles.

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