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Quinazoline, 8-chloro-2,4,6,7-tetramethoxy- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188569-53-1

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188569-53-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188569-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,5,6 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188569-53:
(8*1)+(7*8)+(6*8)+(5*5)+(4*6)+(3*9)+(2*5)+(1*3)=201
201 % 10 = 1
So 188569-53-1 is a valid CAS Registry Number.

188569-53-1Downstream Products

188569-53-1Relevant academic research and scientific papers

First functionalization by metallation of the benzene moiety of quinazolines. Diazines XIX.

Ple, Nelly,Turck, Alain,Chapoulaud, Valerie,Queguiner, Guy

, p. 2871 - 2890 (2007/10/03)

The first lithiation on the benzene moiety of 4-substituted quinazolines has been highlighted. According to the nature and position of various directing groups, an exceptional regioselective metallation occured at position C8, peri to the N-1 ring nitrogen. This method allows an easy access to a large range of new substituted quinazolines.

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