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2-Hydroxy-2-(4-trifluoromethyl-phenyl)-propionic acid ethyl ester, also known as ethyl 2-hydroxy-2-(4-trifluoromethylphenyl)propionate, is a chemical compound with the molecular formula C11H11F3O3. It is a colorless to pale yellow liquid with a molecular weight of 246.2 g/mol. This ester is derived from 2-hydroxy-2-(4-trifluoromethylphenyl)-propionic acid and is formed by the esterification of the carboxylic acid group with ethanol. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of fluoxetine, a widely prescribed antidepressant drug. The compound is known for its stability, reactivity, and potential applications in the development of new drugs and chemical compounds.

1683-45-0

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1683-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1683-45-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,8 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1683-45:
(6*1)+(5*6)+(4*8)+(3*3)+(2*4)+(1*5)=90
90 % 10 = 0
So 1683-45-0 is a valid CAS Registry Number.

1683-45-0Relevant academic research and scientific papers

Cold Menthol Receptor Antagonists

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Page/Page column 61-62, (2010/03/31)

Disclosed are compounds, compositions and methods for treating various diseases, syndromes, conditions and disorders, including pain. Such compounds are represented by Formula I as follows: wherein A, B, L, Q, R1, R2, and R3 /s

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