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"rac-3-methoxy-16,17-seco-estra-1,3,5(10),14c-tetraene-16,17-dioic acid dimethyl ester" is a complex organic compound belonging to the class of steroids. It is a derivative of estratriene, a type of estrogen, with a unique structure that includes a seco-bridge between carbons 16 and 17, which effectively shortens the steroid ring system. The compound features a 3-methoxy group, which is a methoxy group attached to the third carbon, and a tetraene system, indicating the presence of four consecutive carbon-carbon double bonds. The 16,17-dioic acid part of the name signifies the presence of two carboxylic acid groups at the 16th and 17th carbon positions. The dimethyl ester ending indicates that these carboxylic acid groups are esterified with methanol, making the compound more lipophilic and potentially affecting its biological activity and pharmacokinetics. rac-3-methoxy-16,17-seco-estra-1,3,5(10),14c-tetraene-16,17-dioic acid dimethyl ester is of interest in the field of medicinal chemistry and endocrinology due to its structural and functional similarities to natural estrogens, which play crucial roles in the regulation of the menstrual cycle, pregnancy, and other physiological processes.

979-73-7

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979-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 979-73-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 979-73:
(5*9)+(4*7)+(3*9)+(2*7)+(1*3)=117
117 % 10 = 7
So 979-73-7 is a valid CAS Registry Number.

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