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503456-87-9

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503456-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503456-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,4,5 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 503456-87:
(8*5)+(7*0)+(6*3)+(5*4)+(4*5)+(3*6)+(2*8)+(1*7)=139
139 % 10 = 9
So 503456-87-9 is a valid CAS Registry Number.

503456-87-9Relevant articles and documents

Synthesis of the C-linked disaccharide α-D-man-(1→4)-D-man employing a SmI2-mediated C-glycosylation step: En route to cyclic C-oligosaccharides

Mikkelsen, Lise Munch,Skrydstrup, Troels

, p. 2123 - 2128 (2007/10/03)

Investigations are reported on the assembly of the C-linked disaccharide α-D-Man-(1→4)-D-Man, representing the first steps in our projected synthesis of a cyclic C-oligomer containing repeating units of this C-dimer. The key step in this synthesis uses a

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