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1286763-45-8

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1286763-45-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1286763-45-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,6,7,6 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1286763-45:
(9*1)+(8*2)+(7*8)+(6*6)+(5*7)+(4*6)+(3*3)+(2*4)+(1*5)=198
198 % 10 = 8
So 1286763-45-8 is a valid CAS Registry Number.

1286763-45-8Downstream Products

1286763-45-8Relevant articles and documents

Synthesis of unsymmetrically substituted bipyridines by palladium-catalyzed direct C-H arylation of pyridine N -oxides

Duric, Sasa,Tzschucke, C. Christoph

, p. 2310 - 2313 (2011)

Chemical equations presented. Substituted bipyridines were efficiently prepared by direct coupling between pyridine N-oxides and halopyridines using a palladium catalyst. Pyridine N-oxides with electron-withdrawing substitutents gave the best yields. This method allows the convenient preparation of 2,2′-, 2,3′-, and 2,4′-bipyridines which are useful as functionalized ligands for metal complexes or as building blocks for supramolecular architectures.

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