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Benzene, 1,1'-(1,3-butadiene-1,4-diyl)bis[2,6-dichloro-, (E,E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89970-57-0

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89970-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89970-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,7 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89970-57:
(7*8)+(6*9)+(5*9)+(4*7)+(3*0)+(2*5)+(1*7)=200
200 % 10 = 0
So 89970-57-0 is a valid CAS Registry Number.

89970-57-0Relevant academic research and scientific papers

STEREOCHEMISTRY OF BIS-(DICHLOROCYCLOPROPANATION) AND -(EPOXIDATION) OF 1,4-DIARYLBUTADIENES

Hashem, Md. Abul,Weyerstahl, Peter,Green, Bernard S.

, p. 203 - 210 (2007/10/02)

Dichlorocyclopropanation as well as epoxidation of the 1,4-diarylbutadienes 1-4 to give the mon- and/or bis-adducts according to several methods were studied.Dichlorocyclopropanation is more affected than epoxidation by sterical hindrance of large substituents as 2,6-dichlorophenyl.The bis-adducts are formed preferably as meso- (or threo-) isomers.

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