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121801-65-8

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121801-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121801-65-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,8,0 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121801-65:
(8*1)+(7*2)+(6*1)+(5*8)+(4*0)+(3*1)+(2*6)+(1*5)=88
88 % 10 = 8
So 121801-65-8 is a valid CAS Registry Number.

121801-65-8Relevant articles and documents

Synthesis and chromatographic evaluation of the new phase heptakis (3-O-pentafluoropropionyl-2,6-di-O-pentyl)-β-cyclodextrin

Mallmann, Anderson S.,Ethur, Eduardo M.,Da Silva, Ubiratan F.,Dalcol, Ionara I.,Morel, Ademir F.

, p. 2005 - 2011 (2010)

In this work, a new chiral stationary phase heptakis (3-O- pentafluoropropionyl-2,6-di-O-pentyl)-β-cyclodextrin was synthesized and evaluated with a wide variety of volatile chiral compounds. As a result, the new cyclodextrin derivative can be applied to the separation of chiral components of essential oils, as hydrocarbons, ketones, aldehydes, alcohols and of various classes of synthetic chiral compounds, as long chain alcohols, halocarbons, nitrogen and sulfur containing compounds.

Regioselective alkylation of β-cyclodextrin

Bansal, Paramjit S.,Francis, Craig L.,Hart, Noel K.,Henderson, Scott A.,Oakenfull, David,Robertson, Alan D.,Simpson, Gregory W.

, p. 915 - 923 (2007/10/03)

Methodology for preparation of heptakis(2,6-di-O-alkyl)-β-cyclodextrins, heptakis(2-O-alkyl)-β-cyclodextrins, and heptakis(6-O-alkyl)-β-cyclodextrins in substantially purified form has been developed. Treatment of β-cyclodextrin (1) with sodium or barium

Conformational Analyses of Alkylated β-Cyclodextrins by NMR Spectroscopy

Meier-Augenstein, Wolfram,Burger, Barend V.,Spies, Hendrik S. C.,Burger, Wina J. G.

, p. 877 - 886 (2007/10/02)

β-Cyclodextrin was derivatized with 1-bromoalkanes of different chain lengths.The yield as well as the purity of the resulting cyclodextrin derivatives were improved by using solvent mixtures instead of pure solvents.The heptakis(2,6-di-O-alkyl)- and hept

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