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215170-73-3

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215170-73-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215170-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,1,7 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 215170-73:
(8*2)+(7*1)+(6*5)+(5*1)+(4*7)+(3*0)+(2*7)+(1*3)=103
103 % 10 = 3
So 215170-73-3 is a valid CAS Registry Number.

215170-73-3Relevant articles and documents

Combined C-H functionalization/C-N bond formation route to carbazoles

Tsang, W. C. Peter,Zheng, Nan,Buchwald, Stephen L.

, p. 14560 - 14561 (2007/10/03)

A new method in which a series of substituted carbazoles is efficiently produced by the combination of an amide and an arene is described. The key feature of this method is the palladium-catalyzed tandem directed C-H functionalization and amide arylation. The method tolerates substitution on either ring of the biaryl amide substrates, and the products can be assembled in a simple two-step protocol from readily available reagents. The Pd(0) species generated are reoxidized to Pd(II) in the presence of Cu(OAc)2 and an atmosphere of oxygen. Copyright

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