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203716-55-6

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203716-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203716-55-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,7,1 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 203716-55:
(8*2)+(7*0)+(6*3)+(5*7)+(4*1)+(3*6)+(2*5)+(1*5)=106
106 % 10 = 6
So 203716-55-6 is a valid CAS Registry Number.

203716-55-6Downstream Products

203716-55-6Relevant articles and documents

Stereocontrolled Synthesis of α-C-Galactosamine Derivatives via Chelation-Controlled C-Glycosylation

Urban, Dominique,Skrydstrup, Troels,Beau, Jean-Marie

, p. 2507 - 2516 (2007/10/03)

The samarium diiodide-promoted reduction of 2-deoxy-2-acetamidogalactosyl pyridyl sulfone α-5 with ketones or aldehydes under Barbier conditions led unexpectedly to the stereoselective synthesis of α-C-galactosamine derivatives in good yields. With carbon

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