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55117-00-5

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55117-00-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55117-00-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,1,1 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55117-00:
(7*5)+(6*5)+(5*1)+(4*1)+(3*7)+(2*0)+(1*0)=95
95 % 10 = 5
So 55117-00-5 is a valid CAS Registry Number.

55117-00-5Upstream product

55117-00-5Relevant articles and documents

Copper-Catalyzed Oxidative Difunctionalization of Terminal Unactivated Alkenes

Hussain, Muhammad Ijaz,Feng, Yangyang,Hu, Liangzhen,Deng, Qingfu,Zhang, Xiaohui,Xiong, Yan

, p. 7852 - 7859 (2018)

The copper(II)-promoted free-radical oxidative difunctionalization of terminal alkenes to access ketoazides by utilizing molecular oxygen has been reported. A series of styrene derivatives have been evaluated and were found to be compatible to give the desired difunctionalized products in moderate to good yields. The role of molecular oxygen both as an oxidant and oxygen atom source in this catalytic transformation has been unquestionably demonstrated by 18O-labeling studies and a radical mechanistic pathway involving the oxidative formation of azidyl radicals is also designed. This environment-friendly catalytic oxidative protocol can transform aldehyde to nitrile.

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