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107886-62-4

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107886-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107886-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,8,8 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 107886-62:
(8*1)+(7*0)+(6*7)+(5*8)+(4*8)+(3*6)+(2*6)+(1*2)=154
154 % 10 = 4
So 107886-62-4 is a valid CAS Registry Number.

107886-62-4Downstream Products

107886-62-4Relevant articles and documents

Syntheses of a Series of Linear Pentaamines with Three and Four Methylene Chain Intervals

Niitsu, Masaru,Samejima, Keijiro

, p. 1032 - 1038 (2007/10/02)

Ten kinds of linear pentaamines with various combinations of 3 or 4 methylene chain intervals were synthesized.The methods were tentatively classified into two, leading to symmetrical and unsymmetrical pentaamines, all of which were prepared by succesive alkylation of secondary amino derivatives of benzylamine with N-(3-bromopropyl or 4-bromobutyl)phthalimide in the presence of KF-Celite, coupled with the purification of the phthaloyl compounds by silica gel column chromatography.Protecting benzyl and phthaloyl groups were removed by usual methods.The carbon-13 nuclear magnetic resonance (13C-NMR) spectra ot the ten pentaamines were recorded in D2O as fully protonated forms, and a comparative analysis of their spectra allowed the complete assignment of all 13C chemical shifts.Keywords-polyamine; pentaamine; benzylamine; N-(3-bromopropyl)phthalimide; N-(4-bromobutyl)phthalimide; alkylation; potassium fluoride-Celite; 13C-NMR spectrum

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