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(3aR,4S,4aS,7aS)-4-Acetoxymethyl-6,6-dimethyl-3-oxo-3,3a,4,4a,5,6,7,7a-octahydro-1H-2-oxa-s-indacene-4-carboxylic acid methyl ester is a complex organic compound with a molecular formula of C19H22O6. It is a derivative of 2-oxa-s-indacene, featuring a carboxylic acid group at the 4-position, which is esterified with a methyl group. The molecule also contains an acetoxymethyl group at the 4-position, a 3-oxo group, and two methyl groups at the 6-position. (3aR,4S,4aS,7aS)-4-Acetoxymethyl-6,6-dimethyl-3-oxo-3,3a,4,4a,5,6,7,7a-octahydro-1H-2-oxa-s-indacene-4-carboxylic acid methyl ester is characterized by its octahydro structure and a chiral center at the 3a, 4, 4a, and 7a positions, with the specific configuration being (3aR,4S,4aS,7aS). It is likely to be used in the synthesis of pharmaceuticals or other organic compounds due to its intricate structure and functional groups.

75903-07-0

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75903-07-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75903-07-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,0 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75903-07:
(7*7)+(6*5)+(5*9)+(4*0)+(3*3)+(2*0)+(1*7)=140
140 % 10 = 0
So 75903-07-0 is a valid CAS Registry Number.

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