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5,5′-dichloro-2,2′-bithiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

18494-75-2

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18494-75-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18494-75-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,9 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18494-75:
(7*1)+(6*8)+(5*4)+(4*9)+(3*4)+(2*7)+(1*5)=142
142 % 10 = 2
So 18494-75-2 is a valid CAS Registry Number.

18494-75-2Upstream product

18494-75-2Relevant academic research and scientific papers

A convenient catalytic route to symmetrical functionalized bithiophenes

Hassan, Jwanro,Lavenot, Laurence,Gozzi, Christel,Lemaire, Marc

, p. 857 - 858 (1999)

A series of symmetrical functionalized bithiophenes has been synthesized in good to excellent yields via homocoupling of thiophene halides in the presence of Pd(OAc)2 as a catalyst.

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