Anyone can help me on the chemistry notation

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SUMMARY

The chemical notation (COOEt)2C refers to the compound diethyl malonate. In this notation, "Et" signifies an ethyl group, which is represented by the structure CH3CH2-. This clarification was provided by multiple contributors in the discussion, confirming the identity of the compound and the meaning of the notation.

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I encountered a chemical (COOEt)2C, and I don't really know what does Et mean. I am not familiar with chemistry, but I guess this is something similar to -R which stands for -CH3, -CH2CH3 etc. Could anyone help to explain?

Thanks you very much.
 
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Just visiting, but I learned something new, thanks Ygggdrasil!
 
Ygggdrasil said:
Et represents an ethyl group, CH3CH2-

(COOEt)2C represents the compound diethyl malonate

Thank you, Ygggdrasil! I just got the same answer from other friends ...
 

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