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671207-31-1

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671207-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 671207-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,1,2,0 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 671207-31:
(8*6)+(7*7)+(6*1)+(5*2)+(4*0)+(3*7)+(2*3)+(1*1)=141
141 % 10 = 1
So 671207-31-1 is a valid CAS Registry Number.

671207-31-1Relevant articles and documents

Radical-induced opening of trisubstituted epoxides: Application in the synthesis of C1-C12 segment of epothilones

Chakraborty,Dutta

, p. 101 - 104 (1998)

Diastereo- and regioselective opening of a trisubstituted epoxy ketone at the more substituted carbon using samarium(II) iodide presents an alternate approach to the C5-C7 aldol moiety with β-hydroxyketo framework in the stereoselective synthesis of C1-C12 segment of epothilones.

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