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(E)-5-(2,5-Dimethoxy-phenyl)-pent-4-en-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

443640-64-0

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443640-64-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443640-64-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,6,4 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 443640-64:
(8*4)+(7*4)+(6*3)+(5*6)+(4*4)+(3*0)+(2*6)+(1*4)=140
140 % 10 = 0
So 443640-64-0 is a valid CAS Registry Number.

443640-64-0Downstream Products

443640-64-0Relevant academic research and scientific papers

A facile synthesis of aryldihydropyrans using a Sonogashira-selenoetherification strategy

Brimble, Margaret A,Pavia, Gabrielle S,Stevenson, Ralph J

, p. 1735 - 1738 (2007/10/03)

A high yielding and convenient synthesis of 2-aryl-2,5-dihydro-2H-pyrans is reported. Sonogashira coupling of 4-pentyn-1-ol and 5-hexyn-2-ol with a range of phenyl and naphthyl bromides affords the appropriate aryl acetylenic alcohols which then undergo r

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