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2-Cyclohexen-1-one, 4-bromo-2-chloro-5,5-dimethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

61940-20-3

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61940-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61940-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 61940-20:
(7*6)+(6*1)+(5*9)+(4*4)+(3*0)+(2*2)+(1*0)=113
113 % 10 = 3
So 61940-20-3 is a valid CAS Registry Number.

61940-20-3Relevant academic research and scientific papers

Preparation of a 5-(2,2-dihalovinyl)-4,4-dimethyl-2-oxotetrahydrofuran

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, (2008/06/13)

A process for preparing a 5-(2,2-dihalovinyl)-4,4-dimethyl-2-oxotetrahydrofuran of formula: STR1 wherein X and Z are each either chlorine or bromine, which comprises the step of treating a compound of formula: STR2 with an excess of a base selected from alkali metal hydroxides and chemical equivalents thereof.

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