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51934-46-4

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51934-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51934-46-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,3 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 51934-46:
(7*5)+(6*1)+(5*9)+(4*3)+(3*4)+(2*4)+(1*6)=124
124 % 10 = 4
So 51934-46-4 is a valid CAS Registry Number.

51934-46-4Relevant articles and documents

Nickel-Catalyzed Reversible Functional Group Metathesis between Aryl Nitriles and Aryl Thioethers

Delcaillau, Tristan,Boehm, Philip,Morandi, Bill

supporting information, p. 3723 - 3728 (2021/04/07)

We describe a new functional group metathesis between aryl nitriles and aryl thioethers. The catalytic system nickel/dcype is essential to achieve this fully reversible transformation in good to excellent yields. Furthermore, the cyanide- and thiol-free reaction shows high functional group tolerance and great efficiency for the late-stage derivatization of commercial molecules. Finally, synthetic applications demonstrate its versatility and utility in multistep synthesis.

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