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1-<5-chloro-2-(2-oxiranylmethoxy)phenyl>-2-ethoxy-4-(1H)quinolinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80990-57-4

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80990-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80990-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,9 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80990-57:
(7*8)+(6*0)+(5*9)+(4*9)+(3*0)+(2*5)+(1*7)=154
154 % 10 = 4
So 80990-57-4 is a valid CAS Registry Number.

80990-57-4Relevant academic research and scientific papers

The Chemistry of 5H-Benzoxazoloquinolin-5-ones. 5H-Benzoxazoloquinolin-5-ones as Synthons for the Preparation of Novel Quinoline Derivatives

Kim, Dong Han

, p. 1393 - 1397 (2007/10/02)

The usefulness of 5H-benzoxazoloquinolin-5-ones (I) as synthons for the preparation of the otherwise difficulty obtainable quinolin-5-ones is demonstrated.Nucleophilic reagents cleaved the oxazole ring of I at the 7-position, resulting in 1-(2-hydr

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