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3-Benzoyl-2,6-dihydroxy-1-p-tolyl-1H-pyridin-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128692-08-0

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128692-08-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128692-08-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,9 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128692-08:
(8*1)+(7*2)+(6*8)+(5*6)+(4*9)+(3*2)+(2*0)+(1*8)=150
150 % 10 = 0
So 128692-08-0 is a valid CAS Registry Number.

128692-08-0Relevant academic research and scientific papers

PYRANO--PYRIDINE-2,5-DIONE DERIVATIVES FROM N-ARYL-BENZOYLACETAMIDES AND MALONYL CHLORIDE

Zankowska-Jasinska, Wanda,Walocha, Krzysztof

, p. 473 - 481 (2007/10/02)

Reactions of N-arylbenzoylacetamides with malonyl chloride result in the formation of piperidine-2,4,6-trione (1) and pyrano--pyridine-2,5-dione (3).Reactions with various concentrations of starting materials were investigated and intermediates such as acid chlorides were found, the methanolysis of which to methyl esters of 4-pyridon-5-oylacetic acids (2) was successful.

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