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Thioindirubin is a naturally occurring red pigment found in the seeds of the Polygonum tinctorium plant, commonly known as the indigo plant. It is a sulfur-containing indigoid compound, which belongs to the family of indirubin derivatives. Thioindirubin has gained attention for its potential anti-cancer properties, as it has been shown to inhibit the activity of certain enzymes involved in cancer cell proliferation. Additionally, it exhibits antioxidant and anti-inflammatory activities, making it a subject of interest in the field of natural product chemistry and drug discovery.

5789-28-6

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5789-28-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5789-28-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,8 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5789-28:
(6*5)+(5*7)+(4*8)+(3*9)+(2*2)+(1*8)=136
136 % 10 = 6
So 5789-28-6 is a valid CAS Registry Number.

5789-28-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name [2,3']bi[benzo[b]thiophenylidene]-3,2'-dione

1.2 Other means of identification

Product number -
Other names [2,3']Bi(benzo[b]thiophenyliden)-3,2'-dion

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5789-28-6 SDS

5789-28-6Downstream Products

5789-28-6Relevant academic research and scientific papers

Ring Contractions of Thiochroman-4-ones and Thiochromen-4-ones

MacKenzie, Neil E.,Thomson, Ronald H.

, p. 395 - 402 (2007/10/02)

3-Bromothiochroman-4-one and its S-oxide undergo ring contraction on heating, especially in the presence of sodium acetate, to give mixtures which include thioindigo (9) and the ethanediylidenethioindigo (10).Brominated 2,2-dimethylthiochroman-4-one reacts on silica gel to form thioindigo, thioindirubin, and the bis(benzothieno)pyran (17).Bromination of thiochromanone gives a number of products, including 2,3-dibromothiochromen-4-one S-oxide which, on heating with sodium acetate in acetic acid, is converted efficiently into thioindigo.The mechanism of this reaction is investigated.

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