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13565-23-6

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13565-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13565-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,6 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13565-23:
(7*1)+(6*3)+(5*5)+(4*6)+(3*5)+(2*2)+(1*3)=96
96 % 10 = 6
So 13565-23-6 is a valid CAS Registry Number.

13565-23-6Relevant articles and documents

Catalytic, enantio- and diastereoselective synthesis of γ-butyrolactones incorporating quaternary stereocentres

Manoni, Francesco,Cornaggia, Claudio,Murray, James,Tallon, Sean,Connon, Stephen J.

, p. 6502 - 6504 (2012/07/31)

A new, highly enantio- and diastereoselective catalytic asymmetric formal cycloaddition of aryl succinic anhydrides and aldehydes which generates paraconic acid (γ-butyrolactone) derivatives is reported.

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