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(Z)-3-((2S,3aR,6aS)-6a-Methoxy-3a-methyl-4-oxo-hexahydro-cyclopenta[b]furan-2-yl)-acrylic acid methyl ester is a complex organic compound with a molecular formula of C13H16O5. It is a chiral molecule, containing three chiral centers (2S, 3aR, and 6aS). The structure consists of a cyclopenta[b]furan ring with a 4-oxo-hexahydro group, a methoxy group at the 6a position, and a 3a-methyl group. The compound also features a (Z)-3-acrylic acid methyl ester moiety, which is a vinyl ester with a double bond between the third and fourth carbon atoms. This molecule is characterized by its unique stereochemistry and functional groups, making it a potential candidate for various applications in the fields of pharmaceuticals, agrochemicals, and materials science.

81491-82-9

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81491-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81491-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,9 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81491-82:
(7*8)+(6*1)+(5*4)+(4*9)+(3*1)+(2*8)+(1*2)=139
139 % 10 = 9
So 81491-82-9 is a valid CAS Registry Number.

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