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562-33-4

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562-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 562-33-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,6 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 562-33:
(5*5)+(4*6)+(3*2)+(2*3)+(1*3)=64
64 % 10 = 4
So 562-33-4 is a valid CAS Registry Number.

562-33-4Relevant articles and documents

Steroidal saponins from the bulbs of Camassia cusickii.

Mimaki,Sashida,Kawashima

, p. 3721 - 3727 (1991)

Six new steroidal saponins have been isolated from the fresh bulbs of Camassia cusickii. Their structures were determined by spectroscopic analysis and some chemical transformations to be (25R)-5 alpha-spirostan-3 beta,6 alpha-diol (chlorogenin) 6-O-beta-D-glucopyranoside, chlorogenin 6-O-beta-D-glucopyranosyl-(1----2)-beta-D-glucopyranoside, chlorogenin 6-O-beta-D-glucopyranosyl-(1----3)-beta-D-glucopyranoside, chlorogenin 6-O-beta-D-glucopyranosyl-(1----2)-O-[beta-D-glucopyranosyl-(1----3)]-beta- D-glucopyranoside, (25R)-6 alpha-hydroxy-5 alpha-spirostan-3-one 6-O-beta-D-glucopyranosyl- (1----3)-beta-D-glucopyranoside and (25R)-3,3-dimethoxy-5 alpha-spirostan-6 alpha-ol 6-O-beta-D-glucopyranosyl-(1----3)-beta-D-glucopyranoside. The saponins isolated were shown to contribute to the bitter taste of the bulbs.

Novel steroid -based amphiphiles and uses thereof

-

Paragraph 0199-0202, (2020/05/23)

The present invention relates to a newly developed steroid-based amphiphilic compound, a preparation method thereof and a method for extracting, solubilizing, stabilizing, crystallizing or analyzing membrane proteins using the same. In addition, the compound, compared to the conventional compounds, can efficiently extract membrane proteins having various structures and properties from cell membranes and store the same in an aqueous solution for a long time, and thus can be used for functional analysis and structural analysis. Membrane protein structure and function analysis thereof is one of the areas of greatest interest in current biology and chemistry by being closely related to drug development.COPYRIGHT KIPO 2020

The convergent synthesis of novel cytotoxic certonardosterol D2 from diosgenin

Jiang, Biao,Shi, He-ping,Tian, Wei-sheng,Zhou, Wei-shan

, p. 469 - 476 (2008/03/28)

Certonardosterol D2, a polyhydroxysterol isolated from starfish Certonardoa semiregularis with exceptionally potent antitumor activity, was stereoselectively synthesized from natural rich diosgenin via the protocol of Julia olefination and Evan

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