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dibenzyl 2,7-bisethoxycarbonylmethyl-5-phenyl-3,8-dimethyldipyrrylmethane-1,9-dicarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

309743-63-3

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309743-63-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 309743-63-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,7,4 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 309743-63:
(8*3)+(7*0)+(6*9)+(5*7)+(4*4)+(3*3)+(2*6)+(1*3)=153
153 % 10 = 3
So 309743-63-3 is a valid CAS Registry Number.

309743-63-3Relevant academic research and scientific papers

Total synthesis and conformational analysis of monophenyl substituted protoporphyrins IX

Robinsohn, Adriana E.,Maier, Marta S.,Buldain, Graciela Y.

, p. 2127 - 2142 (2007/10/03)

The total synthesis of meso-monoaryl protoporphyrins (1) and (2) using a MacDonald type [2+2] condensation is described. In this method a bisformyl dipyrrylmethane is treated with a biscarboxydipyrrylmethane. Attempts to obtain the δ-meso-monoaryl protopo

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