Cas 1618666-23-1,3,6-bis[(2-bromophenyl)thio]benzo[2,1-b:3,4-b']dithiophene-2,7-dicarboxylic acid

1618666-23-1

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Basic information

Product Name: 3,6-bis[(2-bromophenyl)thio]benzo[2,1-b:3,4-b']dithiophene-2,7-dicarboxylic acid
Synonyms: 3,6-bis[(2-bromophenyl)thio]benzo[2,1-b:3,4-b']dithiophene-2,7-dicarboxylic acid
CAS NO:1618666-23-1
Molecular Formula:
Molecular Weight: 652.429
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 3,6-bis[(2-bromophenyl)thio]benzo[2,1-b:3,4-b']dithiophene-2,7-dicarboxylic acid(CAS DataBase Reference)
NIST Chemistry Reference: 3,6-bis[(2-bromophenyl)thio]benzo[2,1-b:3,4-b']dithiophene-2,7-dicarboxylic acid(1618666-23-1)
EPA Substance Registry System: 3,6-bis[(2-bromophenyl)thio]benzo[2,1-b:3,4-b']dithiophene-2,7-dicarboxylic acid(1618666-23-1)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 1618666-23-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1618666-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,8,6,6 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1618666-23:
(9*1)+(8*6)+(7*1)+(6*8)+(5*6)+(4*6)+(3*6)+(2*2)+(1*3)=191
191 % 10 = 1
So 1618666-23-1 is a valid CAS Registry Number.

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1618666-23-1Relevant academic research and scientific papers

Synthesis of [1]benzothieno[3,2-b][1]benzothiophene (BTBT) and its higher homologs through palladium-catalyzed intramolecular decarboxylative arylation

Minami, Sojiro,Hirano, Koji,Satoh, Tetsuya,Miura, Masahiro

, p. 4175 - 4177 (2014/07/22)

We report herein an effective method for the construction of 4- and 7-ring benzo-fused thieno[3,2-b]thiophenes, involving palladium-catalyzed intramolecular decarboxylative arylation as the key step.

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