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315696-03-8

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315696-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 315696-03-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,5,6,9 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 315696-03:
(8*3)+(7*1)+(6*5)+(5*6)+(4*9)+(3*6)+(2*0)+(1*3)=148
148 % 10 = 8
So 315696-03-8 is a valid CAS Registry Number.

315696-03-8Downstream Products

315696-03-8Relevant articles and documents

A novel approach to a precursor of the carbapenem antibiotic PS-5 via aziridine stereospecific carbonylation

Davoli, Paolo,Prati, Fabio

, p. 2379 - 2389 (2007/10/03)

Cobalt carbonyl-catalyzed carbonylative ring expansion of optically pure cis-1-benzyl-3-ethyl-2-hydroxymethylaziridine (5) to trans-β-lactam (8) afforded a key precursor of the carbapenem antibiotic (+)-PS-5. Aziridine (5) was obtained in both enantiomerically pure forms by Amano PS lipase - catalyzed esterification in n-hexane using vinyl acetate as acyl donor. The stereochemical pathway of the carbonylation reaction was proved by configurational assignments through chemical correlation.

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