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169825-86-9

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169825-86-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 169825-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,8,2 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 169825-86:
(8*1)+(7*6)+(6*9)+(5*8)+(4*2)+(3*5)+(2*8)+(1*6)=189
189 % 10 = 9
So 169825-86-9 is a valid CAS Registry Number.

169825-86-9Downstream Products

169825-86-9Relevant articles and documents

Synthesis of pyridines from ketoximes and terminal alkynes via C-H bond functionalization

Martin, Rhia M.,Bergman, Robert G.,Ellman, Jonathan A.

experimental part, p. 2501 - 2507 (2012/05/05)

An expedient one-pot rhodium catalyzed C-H bond functionalization/ electrocyclization/dehydration procedure has been developed for the synthesis of highly substituted pyridine derivatives from terminal alkynes and α,β-unsaturated ketoximes. The use of electron-deficient phosphite ligands is important to suppress dimerization of the terminal alkynes to enynes.

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