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Benzene, [3,3-bis(methylseleno)-1-propynyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

142646-75-1

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142646-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142646-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,4 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 142646-75:
(8*1)+(7*4)+(6*2)+(5*6)+(4*4)+(3*6)+(2*7)+(1*5)=131
131 % 10 = 1
So 142646-75-1 is a valid CAS Registry Number.

142646-75-1Relevant academic research and scientific papers

Synthesis of meso-tetraalkynyl porphyrins using 1-seleno-2-alkynyl cation precursors

Proess,Pankert,Hevesi

, p. 269 - 272 (1992)

The strongly regioselective reaction of the silver perchlorate activated selenoacetals derived from 2-butynal and 3-phenylpropynal with pyrrole allows for a straightforward synthesis of the corresponding title compounds but the yields are low.

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