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Benzene, 1,1'-[1,4-bis(1-bromo-2,2-dimethylpropyl)-1,2,3-butatriene-1,4-diyl]bis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139748-73-5

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139748-73-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139748-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,4 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139748-73:
(8*1)+(7*3)+(6*9)+(5*7)+(4*4)+(3*8)+(2*7)+(1*3)=175
175 % 10 = 5
So 139748-73-5 is a valid CAS Registry Number.

139748-73-5Relevant academic research and scientific papers

THE INFLUENCE OF STERIC EFFECTS ON BROMINE ADDITION TO DIVINYLACETYLENE DERIVATIVES. PART I. THE INFLUENCE OF THE BRANCHING OF HYDROCARBON CHAIN

Jasiobedzki, Wieslaw,Olejnik, Marian,Zawadzki, Andrzej

, p. 865 - 874 (2007/10/02)

The bromine addition to two divinylacetylene derivatives containing sterically extended substituents R1 = R3 = i-C3H7 (1) and R1 = R3 = t-C4H9 (2) was studied.Such location of isopropyl and t-butyl groups is not

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