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96540-38-4

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96540-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 96540-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,5,4 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 96540-38:
(7*9)+(6*6)+(5*5)+(4*4)+(3*0)+(2*3)+(1*8)=154
154 % 10 = 4
So 96540-38-4 is a valid CAS Registry Number.

96540-38-4Relevant articles and documents

Intramolecular Radical Cyclization of Ketene Dithioacetals

Yamamoto, Makoto,Furusawa, Atsuko,Iwasa, Seiji,Kohmoto, Shigeo,Yamada, Kazutoshi

, p. 1550 - 1555 (2007/10/02)

A novel intramolecular ketene radical cyclization was described.Treatment of α-bromo-β-alkoxycarbonyl- and α-bromo-β-oxoketene dithioacetals with tributyltin hydride and AIBN gave lactones and cyclic ketones bearing bis(methylthio)methylene substituent at α-position in moderate yields.Tandem radical cyclization of ketene radical synthons were also carried out.

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