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56615-03-3

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56615-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56615-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,1 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56615-03:
(7*5)+(6*6)+(5*6)+(4*1)+(3*5)+(2*0)+(1*3)=123
123 % 10 = 3
So 56615-03-3 is a valid CAS Registry Number.

56615-03-3Relevant articles and documents

One-step synthesis of C-2 dialkylamino-substituted 2',3'-O-anhydrolyxo-uridines: First report on the opening of 2,2'-O-anhydro-bridge of 2,2'-O-anhydrouridine by secondary amines

Sakthivel,Bera,Pathak

, p. 10387 - 10392 (1993)

Secondary amines successfully opened the 2,2'-O-anhydro-bridge of 2,2'-O-anhydrouridines 8a and 8b in presence of 3'-O-mesyl group to produce compounds 10a-13a and 10b-13b, a new class of isocytidine derivatives.

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