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22742-85-4

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22742-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22742-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,4 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22742-85:
(7*2)+(6*2)+(5*7)+(4*4)+(3*2)+(2*8)+(1*5)=104
104 % 10 = 4
So 22742-85-4 is a valid CAS Registry Number.

22742-85-4Downstream Products

22742-85-4Relevant articles and documents

Evidence for Conformational Isomerism. II. Synthesis of 1-Alkyl-2-carboazetidines Using Organolithium Reagents (1)

Cromwell, Norman H.,Podraza, Kenneth F.,Soriano, David S.,Rodebaugh, Richard M.

, p. 1277 - 1280 (2007/10/02)

Treatment of 1-alkylazetidine-2-carboxylic acids with several organolithium reagents leads to the corresponding 1-alkyl-2-carboazetidines in near quantitative yield.Additional evidence is presented for conformational isomerism in the title compounds on the basis of infrared carbonyl stretching frequencies.

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