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55163-92-3

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55163-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55163-92-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,1,6 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55163-92:
(7*5)+(6*5)+(5*1)+(4*6)+(3*3)+(2*9)+(1*2)=123
123 % 10 = 3
So 55163-92-3 is a valid CAS Registry Number.

55163-92-3Relevant articles and documents

THIOSULFONIC S-ESTERS-III. A CONVENIENT PREPARATION OF AROMATIC SULFIDES

Palumbo, Giovanni,Ferreri, Carla,D'Ambrosio, Clotilde,Caputo, Romualdo

, p. 235 - 238 (2007/10/02)

The nucleophilic attack of alkyl- and aryl-lithium compounds at the sulfenyl sulfur atom in thiosulfonic S-esters performs a convenient synthesis of aromatic sulfides which are obtained cleanly and in generally excellent yields.Considering that recently we have reported a ready preparation of thiosulfonic S-esters from sulfonyl chlorides, this sulfidation reaction completes an interesting general procedure for converting the laters to any symmetrical or unsymmetrical sulfides.

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