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3-(4-nitrophenyl)-2-bromopyridine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

335643-09-9

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335643-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 335643-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,6,4 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 335643-09:
(8*3)+(7*3)+(6*5)+(5*6)+(4*4)+(3*3)+(2*0)+(1*9)=139
139 % 10 = 9
So 335643-09-9 is a valid CAS Registry Number.

335643-09-9Downstream Products

335643-09-9Relevant academic research and scientific papers

Directed deprotonation-transmetalation as a route to substituted pyridines

Karig, Gunter,Spencer, James A.,Gallagher, Timothy

, p. 835 - 838 (2001)

matrix presented Regioselective C-4 deprotonation of 3-bromopyridine, followed by Li/Zn transmetalation and Pd-mediated coupling processes, provides a flexible entry to 4-substituted and 3,4-disubstituted pyridines. Application of a similar sequence to 2-

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