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1301717-34-9

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1301717-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1301717-34-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,1,7,1 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1301717-34:
(9*1)+(8*3)+(7*0)+(6*1)+(5*7)+(4*1)+(3*7)+(2*3)+(1*4)=109
109 % 10 = 9
So 1301717-34-9 is a valid CAS Registry Number.

1301717-34-9Relevant articles and documents

Enantioselective construction of quaternary stereogenic centers from tertiary boronic esters: Methodology and applications

Sonawane, Ravindra P.,Jheengut, Vishal,Rabalakos, Constantinos,Larouche-Gauthier, Robin,Scott, Helen K.,Aggarwal, Varinder K.

supporting information; experimental part, p. 3760 - 3763 (2011/06/22)

Pin it down: A range of substrates that bear versatile functional groups with quaternary stereogenic centers have been prepared with very high enantioselectivity from tertiary boronic esters (see scheme; Cb=N,N-diisopropylcarbamoyl, pin=pinacolato). The preparation of allylboronic esters bearing contiguous quaternary and tertiary stereogenic centers, and applications to natural product synthesis are also reported.

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