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5-(ethoxycarbonyl)-3,4-diphenylthiophene-2-carboxylic acid is a complex organic compound with the molecular formula C20H16O4S. It is characterized by a thiophene ring, which is a five-membered aromatic ring containing one sulfur atom, and two phenyl groups attached at the 3 and 4 positions. The molecule also features an ethoxycarbonyl group at the 5 position and a carboxylic acid group at the 2 position. 5-(ethoxycarbonyl)-3,4-diphenylthiophene-2-carboxylic acid is known for its potential applications in the synthesis of various pharmaceuticals and materials science, particularly in the development of novel polymers and other chemical compounds. Its structure provides a unique set of properties that can be exploited in various chemical reactions and applications, making it a subject of interest in organic chemistry and material science research.

977-57-1

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977-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 977-57-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 977-57:
(5*9)+(4*7)+(3*7)+(2*5)+(1*7)=111
111 % 10 = 1
So 977-57-1 is a valid CAS Registry Number.

977-57-1Relevant academic research and scientific papers

Sulfur dioxide prodrugs: Triggered release of SO2 via a click reaction

Wang, Wenyi,Ji, Xingyue,Du, Zhenming,Wang, Binghe

, p. 1370 - 1373 (2017)

Sulfur dioxide (SO2) is being recognized as a possible endogenous gasotransmitter with importance on par with that of NO, CO, and H2S. Herein we describe a series of SO2 prodrugs that are activated for SO2 relea

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