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(4aS)-8α-Ethenyl-3,4,4aβ,5,6,7,8,8aα-octahydro-5-methylene-2-naphthaldehyde is a complex organic compound with a molecular formula of C15H18O. It is a derivative of naphthaldehyde, featuring an ethyl group attached to the 8α position and a methylene group at the 5 position. (4aS)-8α-Ethenyl-3,4,4aβ,5,6,7,8,8aα-octahydro-5-methylene-2-naphthaldehyde is characterized by its octahydro structure, which means it contains eight hydrogen atoms in a cyclic structure. It is a chiral molecule, with the 4a position being in the S configuration, indicating the presence of a specific three-dimensional arrangement of atoms. (4aS)-8α-Ethenyl-3,4,4aβ,5,6,7,8,8aα-octahydro-5-methylene-2-naphthaldehyde is of interest in organic chemistry and may have potential applications in the synthesis of pharmaceuticals or other specialty chemicals due to its unique structure and properties.

2221-18-3

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2221-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2221-18-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,2 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2221-18:
(6*2)+(5*2)+(4*2)+(3*1)+(2*1)+(1*8)=43
43 % 10 = 3
So 2221-18-3 is a valid CAS Registry Number.

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