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3-methyl-heptane-2,6-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42320-01-4

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42320-01-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42320-01-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,2 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42320-01:
(7*4)+(6*2)+(5*3)+(4*2)+(3*0)+(2*0)+(1*1)=64
64 % 10 = 4
So 42320-01-4 is a valid CAS Registry Number.

42320-01-4Relevant academic research and scientific papers

A CONVENIENT PROCEDURE FOR CARBOXYLATION-ROBINSON ANNULATIONS OF KETONES USING TRIETHYLAMINE BASE IN THE PRESENCE OF MAGNESIUM CHLORIDE

Olsen, Richard S.,Fataftah, Zakaria A.,Rathke, Michael W.

, p. 1133 - 1140 (2007/10/02)

Carboxylation of ketones with carbon dioxide in the presence of magnesium chloride and triethylamine followed by reaction with methyl vinyl ketone gives satisfactory yields of Michael and Robinson annulation products.

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