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317819-09-3

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317819-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 317819-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,8,1 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 317819-09:
(8*3)+(7*1)+(6*7)+(5*8)+(4*1)+(3*9)+(2*0)+(1*9)=153
153 % 10 = 3
So 317819-09-3 is a valid CAS Registry Number.

317819-09-3Relevant articles and documents

Intramolecular mitsunobu reaction in the regio- and stereoselective synthesis of cis-4,5-disubstituted piperidin-2-ones

Langlois,Calvez

, p. 8285 - 8288 (2007/10/03)

Enantiopure cis-4,5-disubstituted piperidin-2-ones were synthesized through the cyclization of O-benzyl hydroxamates under Mitsunobu conditions, followed by samarium diiodide reduction. (C) 2000 Elsevier Science Ltd.

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