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123100-51-6

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123100-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123100-51-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,0 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123100-51:
(8*1)+(7*2)+(6*3)+(5*1)+(4*0)+(3*0)+(2*5)+(1*1)=56
56 % 10 = 6
So 123100-51-6 is a valid CAS Registry Number.

123100-51-6Downstream Products

123100-51-6Relevant articles and documents

Scope of Tandem Cycloaddition/Radical Cyclization Methodology

Ghosh, Tirthankar,Hart, Harold

, p. 5073 - 5085 (2007/10/02)

Tandem cycloaddition/radical cyclization is an effective strategy for the rapid assembly of a wide variety of ring systems.To set up the reagents for this sequence, it is necessary to include a potential radical site in one of the two cycloaddition partners, located at an appropriate distance from a new double bond that will be formed in the cycloaddition step.Examples in which the cycloaddition step is or and in which the radical cyclization creates 5-, 6-, or 7-membered rings are described.Examples of the tandem methodology carried out in a completely intramolecular mode are also described.

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