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69263-13-4

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69263-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69263-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,2,6 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 69263-13:
(7*6)+(6*9)+(5*2)+(4*6)+(3*3)+(2*1)+(1*3)=144
144 % 10 = 4
So 69263-13-4 is a valid CAS Registry Number.

69263-13-4Downstream Products

69263-13-4Relevant 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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