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Ethyl 5-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulene-6-carboxylate is a complex organic compound with the molecular formula C14H15NO3. It is a derivative of benzo[7]annulene, a type of aromatic hydrocarbon with a unique ring structure. This specific compound features a carboxylate group at the 6-position, which is esterified with an ethyl group. The molecule also contains a 5-oxo group, indicating the presence of a carbonyl group at the 5-position. The tetrahydro prefix suggests that four hydrogen atoms have been added to the benzo[7]annulene core, reducing the degree of unsaturation in the molecule. ethyl 5-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulene-6-carboxylate may have potential applications in the synthesis of pharmaceuticals or other organic compounds due to its unique structure and functional groups.

6742-27-4

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6742-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6742-27-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,4 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6742-27:
(6*6)+(5*7)+(4*4)+(3*2)+(2*2)+(1*7)=104
104 % 10 = 4
So 6742-27-4 is a valid CAS Registry Number.

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