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1443442-38-3

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1443442-38-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1443442-38-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,4,4 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1443442-38:
(9*1)+(8*4)+(7*4)+(6*3)+(5*4)+(4*4)+(3*2)+(2*3)+(1*8)=143
143 % 10 = 3
So 1443442-38-3 is a valid CAS Registry Number.

1443442-38-3Downstream Products

1443442-38-3Relevant articles and documents

One-pot synthesis of polysubstituted indolizines by an addition/ cycloaromatization sequence

Kucukdisli, Murat,Opatz, Till

, p. 6670 - 6676 (2013/07/26)

Indolizines carrying various substituents in positions 5-8 were obtained from readily available 2-(1H-pyrrol-1-yl)nitriles and α,β-unsaturated ketones or aldehydes in a one-pot procedure. Michael addition of the deprotonated aminonitriles to the acceptors followed by acid-catalyzed electrophilic cyclization produces 5,6-dihydroindolizine-5-carbonitriles. From these stable intermediates, substituted indolizines were obtained via base-induced dehydrocyanation.

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