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917251-10-6

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917251-10-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 917251-10-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,2,5 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 917251-10:
(8*9)+(7*1)+(6*7)+(5*2)+(4*5)+(3*1)+(2*1)+(1*0)=156
156 % 10 = 6
So 917251-10-6 is a valid CAS Registry Number.

917251-10-6Relevant articles and documents

Application of the Cosford cross-coupling protocol for the stereoselective synthesis of (R)-(+)-goniothalamin, (R)-(+)-kavain and (S)-(+)-7,8-dihydrokavain

Sabitha, Gowravaram,Sudhakar,Yadav

, p. 8599 - 8602 (2007/10/03)

An efficient and versatile synthetic method has been developed and utilized for the stereoselective synthesis of (R)-(+)-goniothalamin 1, (R)-(+)-kavain 2 and (S)-(+)-7,8-dihydrokavain 3. Application of the Cosford protocol and direct conversion of aldehydes to β-keto-esters are the key steps in our approach.

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