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4-{[4-(4-chloro-phenoxy)-but-2-ynyl]-methyl-amino}-8-methyl-chromen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

357290-80-3

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357290-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 357290-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,7,2,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 357290-80:
(8*3)+(7*5)+(6*7)+(5*2)+(4*9)+(3*0)+(2*8)+(1*0)=163
163 % 10 = 3
So 357290-80-3 is a valid CAS Registry Number.

357290-80-3Downstream Products

357290-80-3Relevant academic research and scientific papers

Studies of bioactive heterocycles: Amino Claisen rearrangement of 4-N-(4-aryloxybut-2-ynyl),N-methylaminocoumarins

Majumdar,Bhattacharyya

, p. 4231 - 4233 (2007/10/03)

Thermalamino-Claisen rearrangement of 4-N-(aryloxybut-2-ynyl),N-methyl-aminocoumarins (8a-e) in refluxing o-dichlorobenzene gave 4-aryloxymethylene-1-methyl-1,2,3-trihydropyrido[3,2-c][1]benzopyran-5-ones (9a-e) in 56-72% isolated yields. Substrates (8a-f) were prepared from 4-chlorocoumarin (6a,b) and N-(4-ary-loxybutynyl),N-methylamine (7a-f) in 68-77% yields.

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