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317814-16-7

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317814-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 317814-16-7 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 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 317814-16:
(8*3)+(7*1)+(6*7)+(5*8)+(4*1)+(3*4)+(2*1)+(1*6)=137
137 % 10 = 7
So 317814-16-7 is a valid CAS Registry Number.

317814-16-7Relevant articles and documents

A stereoselective synthesis of 1,3,4-substituted β-lactams from polymer-supported chiral oxazolidine aldehyde

Gordon,Bolger,Khan,Balasubramanian

, p. 8621 - 8625 (2007/10/03)

The synthesis of a polymer supported chiral oxazolidine aldehyde is described. This intermediate has great potential for the synthesis of biologically interesting compounds. A solid phase stereoselective synthesis of an array of chirally pure β-lactams in high purity is described as a first application of the system. (C) 2000 Elsevier Science Ltd.

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