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1-bromo-2-(butylthio)benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74642-19-6

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74642-19-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74642-19-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,4 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74642-19:
(7*7)+(6*4)+(5*6)+(4*4)+(3*2)+(2*1)+(1*9)=136
136 % 10 = 6
So 74642-19-6 is a valid CAS Registry Number.

74642-19-6Relevant academic research and scientific papers

Aromatic ring-opening of 2-fluorobenzothiophenes by alkyllithiums

Belley, Michel,Douida, Zohra,Mancuso, John,De Vleeschauwer, Marc

, p. 247 - 250 (2005)

Diphenylacetylenes are obtained when alkyllithium reagents are added to 3-aryl-2-fluorobenzothiophenes at low temperature. The aromatic ring-opening mechanism involves a nucleophilic addition of the alkyllithium to the sulfur atom of the thiophene. The re

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