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(3R,4aR,7aS,8R,9aS)-4-Hydroxy-3,4a,8-trimethyl-3,3a,4,4a,7a,8,9,9a-octahydro-azuleno[6,5-b]furan-2,5-dione is a complex organic compound with a unique molecular structure. It is characterized by its octahydro-azuleno[6,5-b]furan-2,5-dione backbone, which features a furan ring fused to an azulene system. The molecule contains three chiral centers at positions 3, 4a, and 7a, with the R, R, and S configurations, respectively. Additionally, it has three methyl groups at positions 3, 4a, and 8, and a hydroxyl group at position 4. (3R,4aR,7aS,8R,9aS)-4-Hydroxy-3,4a,8-trimethyl-3,3a,4,4a,7a,8,9,9a-octahydro-azuleno[6,5-b]furan-2,5-dione is a derivative of azulene, a naturally occurring hydrocarbon found in some essential oils, and may have potential applications in the fields of chemistry and materials science due to its specific structural features.

5989-53-7

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5989-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5989-53-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,8 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5989-53:
(6*5)+(5*9)+(4*8)+(3*9)+(2*5)+(1*3)=147
147 % 10 = 7
So 5989-53-7 is a valid CAS Registry Number.

5989-53-7Relevant academic research and scientific papers

Antitumor agents XXXVI: Structure elucidation of sesquiterpene lactones microhelenins-A, B, and C, microlenin acetate, and plenolin from Helenium microcephalum

Imakura,Lee,Sims,Wu,Hall,Furukawa,Itoigawa,Yonaha

, p. 1044 - 1049 (2007/10/02)

The antitumor sesquiterpene lactones microhelenine-A, B, and C, microlenin acetate, and plenolin were isolated from Helenium microcephalum. The structures and stereochemistry of these lactones were determined by physical methods as well as by chemical transformations and correlations. Microlenin acetate appears to be the first novel dimeric sesquiterpene lactone demonstrated to have significant antileukemic activity.

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