Cas 243138-83-2,1-(1H-1,2,3-benzotriazol-1-yl)propyl benzoate

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Check Digit Verification of cas no

The CAS Registry Mumber 243138-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,1,3 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 243138-83:
(8*2)+(7*4)+(6*3)+(5*1)+(4*3)+(3*8)+(2*8)+(1*3)=122
122 % 10 = 2
So 243138-83-2 is a valid CAS Registry Number.

243138-83-2Upstream product

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1072010-16-2 C₂₂H₂₁N₃O

243138-83-2Relevant academic research and scientific papers

An efficient general synthesis of 1-(benzotriazol-1-yl)alkyl esters

Katritzky, Alan R.,Pastor, Alfredo,Voronkov, Michael V.

, p. 777 - 781 (1999)

1-(Benzotriazol-1-yl)alkyl esters 2a-u were obtained in yields averaging 86% by the direct reaction of various aldehydes with the corresponding N- acylbenzotriazoles in the presence of a catalytic amount of potassium carbonate (10-25 mole %). The procedur

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