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80791-12-4

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80791-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80791-12-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,9 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80791-12:
(7*8)+(6*0)+(5*7)+(4*9)+(3*1)+(2*1)+(1*2)=134
134 % 10 = 4
So 80791-12-4 is a valid CAS Registry Number.

80791-12-4Relevant articles and documents

Epoxidation of alkenes under liquid-liquid biphasic conditions: Synthesis and catalytic activity of Mn(III)-tetraarylporphyrins bearing perfluoroalkyl tails

Pozzi, Gianluca,Colombani, Ida,Miglioli, Massimo,Montanari, Fernando,Quici, Silvio

, p. 6145 - 6162 (2007/10/03)

Four tetraarylporphyrins bearing one n-C8F17 chain on each meso-aryl group have been synthesized, The Mn(III)-complexes of these new compounds (Mn-1 - Mn-4) were used as catalysts in alkene epoxidations carried out under aqueous-organic biphasic conditions. High epoxide yields were obtained with catalysts in which, along with perfluoroalkyl chains, bulky substituents were present at appropriate positions. The expected general enhancement of stability and catalytic activity due to the electron-withdrawing effect of n-C8F17 substituents was not observed. However, Mn-4 was found to be an exceptionally active catalyst for NaOCl promoted epoxidation of poorly reactive linear α-alkenes.

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