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117917-43-8

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117917-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117917-43-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117917-43:
(8*1)+(7*1)+(6*7)+(5*9)+(4*1)+(3*7)+(2*4)+(1*3)=138
138 % 10 = 8
So 117917-43-8 is a valid CAS Registry Number.

117917-43-8Relevant articles and documents

The Chemistry of Vicinal Tricarbonyls. A Stable Vinyl Tricarbonyl Hydrate as a Di- and Trielectrophile

Wasserman, Harry H.,Fukuyama, James,Murugesan, Natesan,Duzer, John van,Lombardo, Louis,et al.

, p. 371 - 372 (2007/10/02)

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