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212198-11-3

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212198-11-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 212198-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,1,9 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 212198-11:
(8*2)+(7*1)+(6*2)+(5*1)+(4*9)+(3*8)+(2*1)+(1*1)=103
103 % 10 = 3
So 212198-11-3 is a valid CAS Registry Number.

212198-11-3Relevant articles and documents

Novel synthetic approaches to manβ1-4GLCNAc and LeX units from N-acetyllactosamine

Sato, Ken-Ichi,Seki, Hiroshi,Yoshitomo, Akira,Nanaumi, Hiroshi,Takai, Yoshimitsu,Ishido, Yoshiharu

, p. 703 - 727 (2007/10/03)

Regioselective protection of N-acetyllactosamine with triphenylmethyl (trityl) and pivaloyl groups afforded the corresponding 3, 2′, 4′-tri- and 2′,4′-dihydroxyl derivatives in a few steps, respectively; these derivatives were used efficiently for the syntheses of the title compounds from N-acetyllactosamine in 46% (7 steps) and 19% (8 steps) overall yields, respectively.

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