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2-Ethyl-5-heptylthiophene is an organic compound belonging to the class of thiophenes, characterized by a five-membered aromatic ring containing one sulfur atom. It has the molecular formula C11H20S and a molecular weight of 180.35 g/mol. The compound consists of a thiophene ring with an ethyl group (C2H5) at the 2nd position and a heptyl chain (C7H15) at the 5th position. 2-Ethyl-5-heptylthiophene is a colorless liquid with a specific odor and is insoluble in water but soluble in organic solvents. It is primarily used in the synthesis of various organic compounds, pharmaceuticals, and as a chemical intermediate in the production of specialty chemicals. Due to its potential applications in materials science and pharmaceuticals, research on 2-ethyl-5-heptylthiophene and its derivatives is ongoing.

5206-09-7

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5206-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5206-09-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,0 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5206-09:
(6*5)+(5*2)+(4*0)+(3*6)+(2*0)+(1*9)=67
67 % 10 = 7
So 5206-09-7 is a valid CAS Registry Number.

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