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104223-48-5

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104223-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104223-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,2,2 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 104223-48:
(8*1)+(7*0)+(6*4)+(5*2)+(4*2)+(3*3)+(2*4)+(1*8)=75
75 % 10 = 5
So 104223-48-5 is a valid CAS Registry Number.

104223-48-5Downstream Products

104223-48-5Relevant articles and documents

STANNYL ESTER CYCLIZATIONS

Kraus, George A.,Landgrebe, Kevin

, p. 4039 - 4046 (1985)

Alpha halo stannyl esters react with alkenes to afford lactones.The reaction is catalyzed by AIBN.The reaction proceeds best with electron rich alkenes.The mechanistic aspects of this novel reaction are discussed.This reaction can also be conducted intramolecularly to produce bicyclic lactones.An approach to the lignan system is presented.

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