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3,4-bis(3-hydroxyprop-1-ynyl)-1-tritylpyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1242028-52-9

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1242028-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242028-52-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,0,2 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1242028-52:
(9*1)+(8*2)+(7*4)+(6*2)+(5*0)+(4*2)+(3*8)+(2*5)+(1*2)=109
109 % 10 = 9
So 1242028-52-9 is a valid CAS Registry Number.

1242028-52-9Downstream Products

1242028-52-9Relevant academic research and scientific papers

Microwave-assisted selective synthesis of 2H-indazoles via double Sonogashira coupling of 3,4-diiodo-pyrazoles and bergman-masamune cycloaroma-tization

Ichikawa, Hayato,Ohfune, Haruhiko,Usami, Yoshihide

, p. 1651 - 1659 (2010)

The microwave-assisted double Sonogashira coupling of 3,4-diiodo-1-trityl and 1-phenylpyrazole with terminal acetylene took only three minutes. Dialkynylpyrazoles, the coupling products, were heated at 240 °C in the presence of 1,4-cyclohexadiene to obtai

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