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(3aR,4S,5R,6S,7aS)-5-Isopropenyl-7a-methyl-1-methylene-3a,6-bis-(tetrahydro-furan-2-yloxy)-octahydro-indene-4-carboxylic acid methyl ester is a complex organic compound with a molecular formula of C18H26O5. It is a derivative of octahydro-indene-4-carboxylic acid, featuring a methyl ester group, an isopropenyl group, and two tetrahydro-furan-2-yloxy groups. The compound has a unique chiral structure, with five chiral centers at positions 3a, 4, 5, 6, and 7a, resulting in a specific arrangement of substituents. This molecule is characterized by its octahydro-indene core, which is a type of tricyclic compound with a seven-membered ring fused to a six-membered ring. The presence of the isopropenyl and methyl groups, along with the tetrahydro-furan-2-yloxy substituents, contributes to its specific chemical properties and potential applications in various fields, such as pharmaceuticals or materials science.

81491-85-2

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81491-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81491-85-2 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 81491-85:
(7*8)+(6*1)+(5*4)+(4*9)+(3*1)+(2*8)+(1*5)=142
142 % 10 = 2
So 81491-85-2 is a valid CAS Registry Number.

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