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1381871-16-4

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1381871-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1381871-16-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,8,7 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1381871-16:
(9*1)+(8*3)+(7*8)+(6*1)+(5*8)+(4*7)+(3*1)+(2*1)+(1*6)=174
174 % 10 = 4
So 1381871-16-4 is a valid CAS Registry Number.

1381871-16-4Relevant articles and documents

Synthesis of sulfonic acid-containing maltose-type keto-oligosaccharides by an iterative approach

Májer, Gábor,Csávás, Magdolna,Lázár, László,Herczeg, Mihály,Bényei, Atttila,Antus, Sándor,Borbás, Anikó

experimental part, p. 4986 - 4994 (2012/08/28)

Two different series of (2→5)-α-linked homologous keto-oligosaccharides up to tri- and tetrasaccharide were synthesized by an iterative approach, using 3,4,7-tri-O-benzyl-5-O-(2-naphthyl)methyl-1-deoxy-1- ethoxysulfonyl-α-d-gluco-hept-2-ulopyranosyl chloride as a key building block. An iterative cycle consisted of a glycosylation step followed by selective cleavage of the (2-naphthyl)methyl group.

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