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216306-43-3

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216306-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216306-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,3,0 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 216306-43:
(8*2)+(7*1)+(6*6)+(5*3)+(4*0)+(3*6)+(2*4)+(1*3)=103
103 % 10 = 3
So 216306-43-3 is a valid CAS Registry Number.

216306-43-3Relevant articles and documents

Preparation and nonlinear optics of monodisperse oligo(1,4-phenyleneethynylene)s

Meier, Herbert,Ickenroth, Dirk,Stalmach, Ulf,Koynov, Kaloian,Bahtiar, Ayi,Bubeck, Christoph

, p. 4431 - 4443 (2007/10/03)

Oligo(1,4-phenyleneethynylene)s 1a-e, with solubilizing propoxy side chains, were prepared by use of Hagihara-Sonogashira coupling reactions. The synthetic strategy was based on a building block system and on the use of trimethylsilyl and triisopropylsily

2-Bromo-5-iodo-hydroquinone and its symmetrical and unsymmetrical dialkylethers

H?ger, Sigurd,Bonrad, Klaus,Sch?fer, Gabriele,Enkelmann, Volker

, p. 960 - 964 (2007/10/03)

2-Bromo-5-iodo-hydroquinone dialkylethers are prepared by the stepwise halogenation and alkylation of hydroquinone monoalkylethers using simple and easily performable reactions. Boron tribromide induced cleavage of the dipropoyl ether gives the parent com

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