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142270-31-3

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142270-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142270-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,2,7 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142270-31:
(8*1)+(7*4)+(6*2)+(5*2)+(4*7)+(3*0)+(2*3)+(1*1)=93
93 % 10 = 3
So 142270-31-3 is a valid CAS Registry Number.

142270-31-3Relevant articles and documents

Synthesis of 2-(4-trifluoroacetamidophenyl)ethyl O-(L-glycero-α-D-manno-heptopyranosyl)-(1→7)-O-(L-glycero-α-D-manno -heptopyranosyl)-(1→3)-L-glycero-α-D-manno-heptopyranoside, corresponding to the heptose region of the Salmonella Ra core structure

Garegg,Oscarson,Ritzen,Szonyi

, p. 121 - 128 (2007/10/02)

The title trisaccharide was synthesized from methyl 2,3,4-tri-O-benzyl-L-glycero-α-D-manno-heptopyranoside by acetolysis, followed by conversion into ethyl thioglycosides and also glycosyl bromides, which were both used in glycosylation reactions. In glyc

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