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186749-71-3

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186749-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186749-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,7,4 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 186749-71:
(8*1)+(7*8)+(6*6)+(5*7)+(4*4)+(3*9)+(2*7)+(1*1)=193
193 % 10 = 3
So 186749-71-3 is a valid CAS Registry Number.

186749-71-3Relevant articles and documents

Enantioselective allylation of α-ketoester oximes with an external chiral ligand: Asymmetric synthesis of allylglycines and allylalanine

Hanessian, Stephen,Yang, Rui-Yang

, p. 8997 - 9000 (2007/10/03)

A highly enantioselective allylation of oximes of α-ketoesters is described with phenyl substituted chiral bis(oxazoline) as external ligand of allylzinc reagents. This method provides an efficient and convenient access to N-benzyloxy allylglycine, allylglycine and chain substituted variants with high enantiomeric purities. Copyright (C) 1996 Elsevier Science Ltd.

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