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3-(4-bromophenyl)-5-butyl-1H-pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1415320-98-7

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1415320-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1415320-98-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,3,2 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1415320-98:
(9*1)+(8*4)+(7*1)+(6*5)+(5*3)+(4*2)+(3*0)+(2*9)+(1*8)=127
127 % 10 = 7
So 1415320-98-7 is a valid CAS Registry Number.

1415320-98-7Downstream Products

1415320-98-7Relevant academic research and scientific papers

A complementary approach to 3,5-substituted pyrazoles with tosylhydrazones and terminal alkynes mediated by TfOH

Liu, Ping,Xu, Qian-Qian,Dong, Chao,Lei, Xinsheng,Lin, Guo-Qiang

supporting information, p. 2087 - 2092 (2012/11/07)

A complementary method for the preparation of 3,5-substituted pyrazoles in moderate to high yields has been explored via TfOH-induced addition of tosylhydrazones to the terminal alkynes. This acid-induced addition procedure might be an operationally safe alternative compared to typical 1,3-dipolar cycloaddition as there is no involvement of diazo compounds.

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