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210840-42-9

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210840-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 210840-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,8,4 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 210840-42:
(8*2)+(7*1)+(6*0)+(5*8)+(4*4)+(3*0)+(2*4)+(1*2)=89
89 % 10 = 9
So 210840-42-9 is a valid CAS Registry Number.

210840-42-9Relevant articles and documents

SYNTHESES VIA ANODICALLY PRODUCED PHENOXENIUM IONS. APPLICATIONS IN THE FIELD OF PEPTIDES AND CARBOHYDRATES

Rieker, Anton,Beisswenger, Rudolf,Regier, Klaus

, p. 645 - 654 (2007/10/02)

Sterically hindered phenols are anodically oxidized to the corresponding phenoxenium ions which react with O- and N-nucleophiles to give cyclohexadienyl-protected nucleophiles. 4-Acyloxy substituted phenoxenium ions can transfer the acyl group to nucleoph

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