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141739-72-2

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141739-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141739-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,7,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141739-72:
(8*1)+(7*4)+(6*1)+(5*7)+(4*3)+(3*9)+(2*7)+(1*2)=132
132 % 10 = 2
So 141739-72-2 is a valid CAS Registry Number.

141739-72-2Relevant articles and documents

The invention of radical reactions. Part XXIII new reactions: Nitrile and thiocyanate transfer to carbon radicals from sulfonyl cyanides and sulfonyl isothiocyanates

Barton,Jaszberenyi,Theodorakis

, p. 2613 - 2626 (2007/10/02)

Reaction of p-toluenesulphonyl cyanide or methanesulfonyl cyanide with carbon radicals, generated from the corresponding O-acyl-N-hydroxy-2-thiopyridone derivatives by visible light photolysis gives nitriles in good yield. The homolysis products of these sulfonyl nitriles can also be trapped by electron rich olefins. We have also found that carbon radicals react easily with mesyl or tosyl isothiocyanate producing thiocyanates.

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