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2-Ethyltetrahydrothiophene is an organic compound with the chemical formula C6H12S. It is a cyclic sulfur-containing molecule, specifically a tetrahydrothiophene derivative, where one of the hydrogen atoms is replaced by an ethyl group (-CH2CH3). 2-Ethyltetrahydrothiophene is a colorless liquid with a mild, sulfur-like odor. It is used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its unique structure, 2-ethyltetrahydrothiophene exhibits interesting properties, such as its ability to form complexes with metal ions and its potential applications in materials science.

1551-32-2

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1551-32-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1551-32-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,5 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1551-32:
(6*1)+(5*5)+(4*5)+(3*1)+(2*3)+(1*2)=62
62 % 10 = 2
So 1551-32-2 is a valid CAS Registry Number.
InChI:InChI=1/C6H12S/c1-2-6-4-3-5-7-6/h6H,2-5H2,1H3

1551-32-2Relevant academic research and scientific papers

FORMATION OF SULPHUR COMPOUNDS IN THE HYDRODENITROGENATION OF 2-METHYLQUINOLINE, 2-METHYLPIPERIDINE, INDOLE, AND ISOQUINOLINE ON A NICKEL-TUNGSTEN CATALYST IN THE PRESENCE OF HYDROGEN SULPHIDE

Cerny, Mirko,Trka, Antonin

, p. 3413 - 3420 (2007/10/02)

2-Methylquinoline, 2-methylpiperidine, indole, and isoquinoline were subjected to hydrodenitrogenation (HDN) on a sulphidized nickel-tungsten catalyst in an autoclave at 300 and 350 deg C using pure hydrogen or a hydrogen-hydrogen sulphide mixture.The neutral fraction from the HDN of 2-methylquinoline and 2-methylpiperidine contained 40 and 90percent sulphur compounds, respectively.The presence of hydrogen sulphide in the HDN of isoquinoline resulted in an enhanced fraction of the neutral moiety.A reaction mechanism is suggested for the HDN of 2-methylquinoline and 2-methylpiperidine in the presence of hydrogen sulphide, in which the latter contributes to the higher degree of conversion due to the formation of corresponding sulphur compounds.

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