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1072440-23-3

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1072440-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1072440-23-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,2,4,4 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1072440-23:
(9*1)+(8*0)+(7*7)+(6*2)+(5*4)+(4*4)+(3*0)+(2*2)+(1*3)=113
113 % 10 = 3
So 1072440-23-3 is a valid CAS Registry Number.

1072440-23-3Relevant articles and documents

Syntheses of α- and β-C-glucopyranosyl serines from a common intermediate

Nolen, Ernest G.,Donahue, Laurence A.,Greaves, Rebecca,Daly, Trevor A.,Calabrese, David R.

supporting information; experimental part, p. 4911 - 4914 (2009/05/31)

(Chemical Equation Presented) A versatile synthesis leading to either C-linked α- or β-glucopyranosyl serines is presented from a common, advanced synthetic intermediate. Cyclization of the penultimate carbinol onto the alkene and methanolysis of the lactone yields selectively the α-linkage. A transposition of these last steps leads to the α-linked isomer selectively.

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