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83341-05-3

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83341-05-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83341-05-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,4 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83341-05:
(7*8)+(6*3)+(5*3)+(4*4)+(3*1)+(2*0)+(1*5)=113
113 % 10 = 3
So 83341-05-3 is a valid CAS Registry Number.

83341-05-3Relevant articles and documents

Electron-rich Olefins, 6. - CS2 Dipoles from Elektron-rich Olefins - Synthesis and Cycloaddition Reactions

Krasuski, Witold,Nikolaus, Dieter,Regitz, Manfred

, p. 1451 - 1465 (2007/10/02)

The electron-rich olefins 1a-e and 7 react with carbon disulfide in a molar ration of 1:2 to yield the stable dipoles 5a-e and 8; in the case of 5f the imidazolidine 6 is the starting material.The dipoles are characterized by protonation with acetylenedic

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