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55930-68-2

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55930-68-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55930-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,3 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55930-68:
(7*5)+(6*5)+(5*9)+(4*3)+(3*0)+(2*6)+(1*8)=142
142 % 10 = 2
So 55930-68-2 is a valid CAS Registry Number.

55930-68-2Downstream Products

55930-68-2Relevant 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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