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225640-45-9

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225640-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 225640-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,6,4 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 225640-45:
(8*2)+(7*2)+(6*5)+(5*6)+(4*4)+(3*0)+(2*4)+(1*5)=119
119 % 10 = 9
So 225640-45-9 is a valid CAS Registry Number.

225640-45-9Relevant articles and documents

Thioglycuronides: Synthesis and application in the assembly of acidic oligosaccharides

Van Den Bos, Leendert J.,Codee, Jeroen D. C.,Van Der Toorn, John C.,Boltje, Thomas J.,Van Boom, Jacques H.,Overkleeft, Herman S.,Van Der Marel, Gijsbert A.

, p. 2165 - 2168 (2007/10/03)

Partially protected thioglycuronic acids are prepared efficiently by chemo- and regioselective oxidation of the corresponding thioglycosides using the TEMPO/BAIB reagent combination. After esterification, the thioglycuronic acids proved to be useful as both donor and acceptor in sulfonium-mediated condensations toward acidic di- and trisaccharides.

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