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4H-1-Benzopyran-3-carboxamide, 4-oxo- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

52817-14-8

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52817-14-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52817-14-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,1 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 52817-14:
(7*5)+(6*2)+(5*8)+(4*1)+(3*7)+(2*1)+(1*4)=118
118 % 10 = 8
So 52817-14-8 is a valid CAS Registry Number.

52817-14-8Relevant academic research and scientific papers

BENZO-γ-PYRONES.PART XII. REACTION OF 3-FORMYLCHROMONE WITH HYDROXYLAMINE

Basinski, Wlodzimierz,Jerzmanowska, Zofia

, p. 471 - 481 (2007/10/02)

Isolation of four new derivatives of isoxazole (5) and pyrazole (7, 8, 9) formed in a reaction of 3-formylchromone (1) with hydroxylamine or as products of further transformations is described.A possible explanation for the reaction course leading to compounds 5-10 is proposed.

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