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221005-11-4

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221005-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221005-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,0,0 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 221005-11:
(8*2)+(7*2)+(6*1)+(5*0)+(4*0)+(3*5)+(2*1)+(1*1)=54
54 % 10 = 4
So 221005-11-4 is a valid CAS Registry Number.

221005-11-4Downstream Products

221005-11-4Relevant articles and documents

Synthesis of disaccharides related to the o-specific side chains from E.coli O126 & O128 lipopolysaccharides

Sengupta, Prabal,Sarbajna, Sumita,Basu, Sumanta

, p. 87 - 97 (2007/10/03)

Starting from D-galactose and L-fucose, four disaccharides, namely methyl β-L-fucopyranosyl-(1→2)-α-D-galactopyranoside, methyl α-L-fucopyranosyl-(1→2)-α-D-galactopyranoside, methyl α-L-fucopyranosyl-(1→2)-β-D-galactopyranoside and methyl β-L-fucopyranosy

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