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(3b,25R)-3-hydroxyfurosta-5,20(22)-dien-26-yl 4-Methylbenzenesulfonate is a complex organic compound with the molecular formula C32H47O5S. It is a derivative of furostanol, a type of steroidal saponin, and features a hydroxyl group at the 3-position, a double bond between carbons 5 and 20, and a 22-membered ring structure. The compound is further characterized by the presence of a 4-methylbenzenesulfonate group, which is attached to the 26-carbon position. This group consists of a toluene (4-methylbenzene) molecule with a sulfonate group (-SO3H) attached, which can impart acidic properties to the molecule. The specific stereochemistry at the 3b and 25R positions indicates the three-dimensional arrangement of the molecule's atoms. (3b,25R)-3-hydroxyfurosta-5,20(22)-dien-26-yl 4-Methylbenzenesulfonate is likely to be found in natural products or used in the synthesis of pharmaceuticals and other bioactive molecules due to its steroidal backbone and functional groups.

991-62-8

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991-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 991-62-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 991-62:
(5*9)+(4*9)+(3*1)+(2*6)+(1*2)=98
98 % 10 = 8
So 991-62-8 is a valid CAS Registry Number.

991-62-8Relevant academic research and scientific papers

Synthesis and cytotoxic effect of pseudodiosgenyl saponins with thio-ring F

Zan, Xin,Gao, Jian,Gu, Guofeng,Liu, Shanshan,Sun, Bin,Liu, Lei,Lou, Hong-Xiang

supporting information, p. 1600 - 1604 (2014/03/21)

Both the sugar moieties and aglycons of steroid saponins play important roles for their bioactivities. In order to test the biological contribution of the glycosyl residue and search new saponins with notable anticancer activity, mono- and di-saccharide p

Convergent synthesis and cytotoxic activities of 26-thio- and selenodioscin

Chen, Pengwei,Wang, Peng,Song, Ni,Li, Ming

, p. 959 - 966 (2013/11/06)

Convergent block syntheses of 26-thio- and selenodioscin have been achieved by developing the highly stereoselective 1,2-trans glycosylations of chacotriosyl imidate without recourse to neighboring group assistance. Both thiodioscin and selenodioscin possess cytotoxic activities similar to dioscin, a natural spirostanol glycoside.

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