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Isobenzofuran, 4,7-dimethoxy-1,3-diphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89449-71-8

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89449-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89449-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,4 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89449-71:
(7*8)+(6*9)+(5*4)+(4*4)+(3*9)+(2*7)+(1*1)=188
188 % 10 = 8
So 89449-71-8 is a valid CAS Registry Number.

89449-71-8Relevant academic research and scientific papers

Stereoselective synthesis of concave spacers for long-range electron transfer models

Ryan, Daniel E.

, p. 6089 - 6092 (1996)

Syntheses of concave spacers (9, 27) proceeded via stereoselective Diels-Alder reactions. Successful preparation of asymmetrical spacer 27 relied on regioselective protection of mutual precursor 7.

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