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847866-48-2

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847866-48-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 847866-48-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,8,6 and 6 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 847866-48:
(8*8)+(7*4)+(6*7)+(5*8)+(4*6)+(3*6)+(2*4)+(1*8)=232
232 % 10 = 2
So 847866-48-2 is a valid CAS Registry Number.

847866-48-2Relevant articles and documents

Methods and intermediates for the synthesis of porphyrins

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Page/Page column 12-13; 14-15; 25, (2008/06/13)

A method of making a porphyrin (I) is carried out by condensing (i) a bis(imino)dipyrromethane of Formula II: with (ii) a dipyrromethaneto produce a reaction product; then (b) optionally oxidizing said reaction product with an oxidizing agent; and then (c) optionally demetallating said reaction product to produce the porphyrin. Methods of making compounds of Formula II are also described.

Facile synthesis of 1,9-diacyldipyrromethanes

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Page/Page column 3-4; 12, (2010/02/11)

The present invention provides a method of making a metal complex. The method comprises the steps of: (a) acylating a dipyrromethane or a 1-monoacyldipyrromethane to form a mixed reaction product comprising a 1,9-diacyidipyrromethane; (b) combining the re

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