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3,6-Dimethyl-4-oxo-1,4-dihydro-pyrano[3,4-c]pyrrole-1-carboxylic acid p-tolylamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83516-85-2

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83516-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83516-85-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,1 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83516-85:
(7*8)+(6*3)+(5*5)+(4*1)+(3*6)+(2*8)+(1*5)=142
142 % 10 = 2
So 83516-85-2 is a valid CAS Registry Number.

83516-85-2Downstream Products

83516-85-2Relevant academic research and scientific papers

Synthesis of Pyranopyrrole, 1H-Pyrazolopyridine and 2H,5H-Pyranopyran Derivatives from Dehydroacetic acid

Hassan, M. A.,El-Kady, M.,El-Mohay, A. A. Abd

, p. 372 - 374 (2007/10/02)

Reactions of dehydroacetic acid (Ia) with phosphorus pentachloride, ethyl glycinate, hydrazines, ethyl acetate, and active methylene compounds have been investigated.Some of the reactions have been utilized in the synthesis of the title compounds.Structur

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