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Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene), (Z)- is a complex organic compound with the chemical formula C13H6OS2. It is a derivative of benzo[b]thiophen-3(2H)-one, featuring a 3-oxobenzo[b]thien-2(3H)-ylidene group attached to the 2-position. Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)-, (Z)- is characterized by its conjugated double bond system, which gives it unique electronic properties. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its potential to form stable chelates with metal ions. The (Z)-configuration indicates the geometric arrangement of the double bond, which is crucial for its reactivity and potential applications in the field of organic chemistry.

3583-39-9

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Basic information
1. Product Name: Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)-, (Z)-
2. Synonyms: (Z)-[2,2']bi[benzo[b]thiophenylidene]-3,3'-dione;cis-thioindigo;(Z)-[2,2']Bi(benzo[b]thiophenyliden)-3,3'-dion;Z-thioindigo;Thio-indigo;
3. CAS NO:3583-39-9
4. Molecular Formula: C16H8O2S2
5. Molecular Weight: 296.36400
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)-, (Z)-(CAS DataBase Reference)
10. NIST Chemistry Reference: Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)-, (Z)-(3583-39-9)
11. EPA Substance Registry System: Benzo[b]thiophen-3(2H)-one, 2-(3-oxobenzo[b]thien-2(3H)-ylidene)-, (Z)-(3583-39-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 3583-39-9(Hazardous Substances Data)

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3583-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3583-39-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,8 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3583-39:
(6*3)+(5*5)+(4*8)+(3*3)+(2*3)+(1*9)=99
99 % 10 = 9
So 3583-39-9 is a valid CAS Registry Number.

3583-39-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name	thioindigo

1.2 Other means of identification

Product number	-
Other names	(Z)-[2,2']bi[benzo[b]thiophenylidene]-3,3'-dione

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:3583-39-9 SDS

3583-39-9Upstream product

3583-39-9Downstream Products

3844-31-3 trans-thioindigo

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