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2,2'-Bi[3H-indole]-3,3'-dione, also known as 2,2'-Biindole-3,3'-dione, is a chemical compound with the molecular formula C16H10N2O2. It is a derivative of indole, a heterocyclic aromatic organic compound that contains a benzene ring fused to a pyrrole ring. This specific compound features two indole units connected through a central carbon-carbon bond, with each indole unit having a carbonyl group (C=O) at the 3-position. 2,2'-Bi[3H-indole]-3,3'-dione is an important intermediate in the synthesis of various organic compounds and pharmaceuticals, particularly those involving indole-based structures. Its unique structure and properties make it a valuable building block in organic synthesis and medicinal chemistry.

2903-89-1

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2903-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2903-89-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,0 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2903-89:
(6*2)+(5*9)+(4*0)+(3*3)+(2*8)+(1*9)=91
91 % 10 = 1
So 2903-89-1 is a valid CAS Registry Number.

2903-89-1SDS

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-oxoindol-2-yl)indol-3-one

1.2 Other means of identification

Product number -
Other names dehydroindigo

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:2903-89-1 SDS

2903-89-1Relevant academic research and scientific papers

Synthesis of the first deprotected indigo N-glycosides (blue sugars) by reductive glycosylation of dehydroindigo

Hein, Martin,Phuong, Nguyen Thi Bich,Michalik, Dirk,G?rls, Helmar,Lalk, Michael,Langer, Peter

, p. 5741 - 5745 (2006)

The first deprotected indigo N-glycosides (blue sugars) have been prepared by reaction of dehydroindigo with in situ generated rhamnosyl, glucosyl and mannosyl iodide.

Maya Blue as a nanostructured polyfunctional hybrid organic-inorganic material: The need to change paradigms

Domenech, Antonio,Domenech-Carbo, Maria Teresa,Sanchez Del Rio, Manuel,Vazquez De Agredos Pascual, Maria Luisa,Lima, Enrique

, p. 2371 - 2379 (2009)

Maya Blue, an ancient nanostructured organic-inorganic hybrid material resulting from the attachment of indigo, a natural dye, to a phyllosilicate clay, palygorskite, has received considerable attention of late. Despite intensive research, several aspects

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