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13216-38-1

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13216-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13216-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,1 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13216-38:
(7*1)+(6*3)+(5*2)+(4*1)+(3*6)+(2*3)+(1*8)=71
71 % 10 = 1
So 13216-38-1 is a valid CAS Registry Number.

13216-38-1Downstream Products

13216-38-1Relevant articles and documents

Synthesis of 6,7-dihydro-5H-dibenzo[c,e]azepines and biaryls by palladium-catalyzed Ullmann reaction

Yu, Ming,Tang, Ri-Yuan,Li, Jin-Heng

experimental part, p. 3409 - 3416 (2009/09/27)

A novel palladium-catalyzed Ullmann protocol is described for the synthesis of 6,7-dihydro-5H-dibenzo[c,e]azepines and biaryls. In the presence of Pd(OAc)2 and KOAc, intramolecular or intermolecular Ullmann coupling of aryl halides proceeds efficiently under ligand-free and aerobic conditions to afford the corresponding 6,7-dihydro-5H-dibenzo[c,e]azepines and biaryls in moderate to excellent yields.

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