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153759-64-9

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153759-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153759-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,7,5 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 153759-64:
(8*1)+(7*5)+(6*3)+(5*7)+(4*5)+(3*9)+(2*6)+(1*4)=159
159 % 10 = 9
So 153759-64-9 is a valid CAS Registry Number.

153759-64-9Downstream Products

153759-64-9Relevant articles and documents

Preparation of p-Phenylene-3,3'-bis(1-allyltetrahydrothiophenium) Dibromide and Its Reactions in Basic Solution

Sonoda, Yoriko,Suzuki, Yasuzo

, p. 317 - 322 (1994)

P-Phenylene-3,3'-bis(1-allyltetrahydrothiophenium) dibromide 1, prepared from p-phenylene-3,3'-diacrylaldehyde 3, when treated with aqueous sodium hydroxide gave a sulfonium salt polymer.Pyrolysis of this in an attempt to form the highly conjugated polymer, poly(p-phenylenehexa-1,3,5-trienylene) gave, however, only carbonyl-containing compounds.Although no polymerization occurded in basic methanol, a reaction intermediate was shown by UV-VIS and 1H NMR spectroscopy to have been formed.

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