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1-[(5,5-dimethyl-1,3-dioxan-2-yl)carbonyl]-5-phenyldipyrromethane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

744220-89-1

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744220-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 744220-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,4,2,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 744220-89:
(8*7)+(7*4)+(6*4)+(5*2)+(4*2)+(3*0)+(2*8)+(1*9)=151
151 % 10 = 1
So 744220-89-1 is a valid CAS Registry Number.

744220-89-1Relevant academic research and scientific papers

Route to formyl-porphyrins

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Page/Page column 10, (2008/06/13)

A method of making a 5-formylporphyrin, comprises the steps of: condensing a 5-acetaldipyrromethane with a dipyrromethane-1,9-dicarbinol to produce a porphyrin having an acetal group substituted thereon at the 5 position; and then hydrolyzing said porphyr

A new route to meso-formyl porphyrins

Balakumar, Arumugham,Muthukumaran, Kannan,Lindsey, Jonathan S.

, p. 5112 - 5115 (2007/10/03)

Prior syntheses of porphyrins bearing meso-formyl groups have generally employed the Vilsmeier formylation of an acid-resistant copper or nickel porphyrin. A new approach for the synthesis of free base porphyrins bearing one or two (cis or trans) meso-for

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