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50678-83-6

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50678-83-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50678-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,7 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 50678-83:
(7*5)+(6*0)+(5*6)+(4*7)+(3*8)+(2*8)+(1*3)=136
136 % 10 = 6
So 50678-83-6 is a valid CAS Registry Number.

50678-83-6Relevant articles and documents

Room Temperature Metal-Catalyzed Oxidative Acylation of Electron-Deficient Heteroarenes with Alkynes, Its Mechanism, and Application Studies

Sharma, Shweta,Kumar, Mukesh,Vishwakarma, Ram A.,Verma, Mahendra K.,Singh, Parvinder Pal

, p. 12420 - 12431 (2018)

Herein, we report an original one-step, simple, room-temperature, regioselective Minisci reaction for the acylation of electron-deficient heteroarenes with alkynes. The method has broad functional group compatibility and gives exclusively monoacylated products in good to excellent yields. The mechanistic pathway was analyzed based on a series of experiments confirming the involvement of a radical pathway. The 18O-labeling experiment suggested that water is a source of oxygen in the acylated product, and head space GC-MS experiment shows the C-C cleavage occurs via release as CO2.

Pyrolysis of 2 (2 azidobenzoyl)pyridine and 3 (2 pyridyl) 2,1 benzisoxazoles. Preparation and chemistry of some pyrido[1,2 b]cinnolin 6 ium hydroxide inner salts

Ning,Chen,Sternbach

, p. 125 - 134 (2007/10/04)

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