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4-(5-bromo-1-phenyl-1H-pyrazol-3-yl)-benzonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

293315-45-4

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293315-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 293315-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,3,3,1 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 293315-45:
(8*2)+(7*9)+(6*3)+(5*3)+(4*1)+(3*5)+(2*4)+(1*5)=144
144 % 10 = 4
So 293315-45-4 is a valid CAS Registry Number.

293315-45-4Downstream Products

293315-45-4Relevant academic research and scientific papers

Cross-coupling of 1-aryl-5-bromopyrazoles: Regioselective synthesis of 3,5-disubstituted 1-arylpyrazoles

Wang, Xiao-Jun,Tan, Jonathan,Grozinger, Karl

, p. 4713 - 4716 (2007/10/03)

The cross-coupling of 1-aryl-5-bromopyrazoles 4 with alkynes, vinyltins and arylboronic acids promoted by Pd(PPh3)4 afforded unsymmetrical 3,5- disubstituted 1-arylpyrazoles 5-8 in excellent yields, 1-Aryl-5- bromopyrazoles 4 were prepared from their corresponding 1-arylpyrazolones 3 with PBr3 in refluxing acetonitrile. (C) 2000 Elsevier Science Ltd.

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