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34980-57-9

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34980-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34980-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,9,8 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 34980-57:
(7*3)+(6*4)+(5*9)+(4*8)+(3*0)+(2*5)+(1*7)=139
139 % 10 = 9
So 34980-57-9 is a valid CAS Registry Number.

34980-57-9Relevant articles and documents

Investigation of the specificity of an α-l-arabinofuranosidase using C-2 and C-5 modified α-l-arabinofuranosides

Lopez, Gerald,Nugier-Chauvin, Caroline,Remond, Caroline,O'Donohue, Michael

, p. 2202 - 2211 (2008/02/12)

The synthesis of three novel glycosyl donors presenting the same scaffold as α-l-arabinofuranose but modified at the C-2 or C-5 positions has been achieved. Furthermore, chemoenzymatic syntheses using the α-l-arabinofuranosidase AbfD3 and these unnatural

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