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123347-40-0

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123347-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123347-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,4 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123347-40:
(8*1)+(7*2)+(6*3)+(5*3)+(4*4)+(3*7)+(2*4)+(1*0)=100
100 % 10 = 0
So 123347-40-0 is a valid CAS Registry Number.

123347-40-0Downstream Products

123347-40-0Relevant articles and documents

AN EXAMINATION OF THE COUPLING OF VINYL AND ARYL TRIFLATES WITH STANNYL CUPRATES FOR THE PURPOSE OF PROVIDING REGIOSELECTIVE ACCESS TO VINYL LITHIUMS

Gilbertson, Scott R.,Challener, Cynthia A.,Bos, Mary Ellen,Wulff, William D.

, p. 4795 - 4798 (1988)

The coupling reaction of vinyl triflates with higher-order stannyl cuprates was found to provide a convenient method for the preparation of vinyl stannanes.Since vinyl triflates can be regioselectively prepared from ketones this then provides overall regioselective entry to vinyl lithiums from vinyl triflates via their corresponding stannanes.This is an improvement on a previous method for the preparation of vinyl stannanes from the palladium catalyzed coupling of vinyl triflates and distannanes.

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