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914930-12-4

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914930-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 914930-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,4,9,3 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 914930-12:
(8*9)+(7*1)+(6*4)+(5*9)+(4*3)+(3*0)+(2*1)+(1*2)=164
164 % 10 = 4
So 914930-12-4 is a valid CAS Registry Number.

914930-12-4Relevant articles and documents

Helicity induction in charged poly(phenylacetylene)s bearing various acidic functional groups in water and its mechanism

Onouchi, Hisanari,Hasegawa, Takashi,Kashiwagi, Daisuke,Ishiguro, Hiroyuki,Maeda, Katsuhiro,Yashima, Eiji

, p. 8625 - 8633 (2005)

We investigated the helicity induction in a series of stereoregular cis-transoidal poly-(phenylacetylene)s bearing various acidic functional groups, such as a phosphonic acid and its monoethyl ester (poly-1-H and poly-2-H, respectively), a carboxylic acid

Tagged hypervalent iodine reagents: A new purification concept based on ion exchange through SN2 substitution

Kunst, Eike,Gallier, Florian,Dujardin, Gilles,Yusubov, Mekhman S.,Kirschning, Andreas

, p. 5199 - 5202 (2008/09/17)

(Chemical Equation Presented) The preparation of phenylsulfonate-tagged iodine(III) reagents as well as their use in a novel purification strategy for iodine(III)-promoted reactions is described. The concept is based on ion exchange and is initiated by an azide-promoted SN2-reaction at the alkyl sulfonate followed by trapping of the resulting aryl sulfonate anion with an ion-exchange resin. The concept is successfully proven for Ru-catalyzed oxidations of alcohols, the activation and glycosidatlon of thioglycosides, and the Suarez reaction of pyranoses.

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