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1420904-39-7

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1420904-39-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1420904-39-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,0,9,0 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1420904-39:
(9*1)+(8*4)+(7*2)+(6*0)+(5*9)+(4*0)+(3*4)+(2*3)+(1*9)=127
127 % 10 = 7
So 1420904-39-7 is a valid CAS Registry Number.

1420904-39-7Downstream Products

1420904-39-7Relevant articles and documents

Iron-Catalyzed Oxidative Coupling of Indoline-2-ones with Aminobenzamides via Dual C-H Functionalization

Lai, Yi-Huan,Wu, Run-Shi,Huang, Jie,Huang, Jun-Yu,Xu, Da-Zhen

supporting information, p. 3825 - 3829 (2020/05/18)

We describe an unprecedented dual C-H functionalization of indolin-2-one via an oxidative C(sp3)-H/N-H/X-H (X = N, C, S) cross-coupling protocol, which is catalyzed by a simple iron salt under mild and ligand-free conditions and employs air (molecular oxygen) as the terminal oxidant. This method is readily applicable for the construction of tetrasubstituted carbon centers from methylenes and provides a wide variety of spiro N-heterocyclic oxindoles.

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