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218628-92-3

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218628-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218628-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,6,2 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 218628-92:
(8*2)+(7*1)+(6*8)+(5*6)+(4*2)+(3*8)+(2*9)+(1*2)=153
153 % 10 = 3
So 218628-92-3 is a valid CAS Registry Number.

218628-92-3Relevant articles and documents

Nucleophilic substitutions on Multipin systems linked with a traceless linker

Takahashi, Takashi,Tomida, Satoshi,Inoue, Hitoshi,Doi, Takayuki

, p. 1261 - 1263 (2007/10/03)

The displacement of polymer-supported glucose 7 at the 6-position by azide, iodide, and acetate was achieved through a 4-hydroxybenzenesulfonate-linked Multipin system giving the corresponding glucose derivatives 8 in excellent yields. Macrocyclization of polymer-supported cyanohydrin ether 13 by displacement of the traceless sulfonate linker provided the cyclic compound 14 in moderate yield but in pure form.

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