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1,2-bis(4-bromo-2,5-dimethoxyphenyl)butane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

214221-72-4

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214221-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 214221-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,2,2 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 214221-72:
(8*2)+(7*1)+(6*4)+(5*2)+(4*2)+(3*1)+(2*7)+(1*2)=84
84 % 10 = 4
So 214221-72-4 is a valid CAS Registry Number.

214221-72-4Relevant academic research and scientific papers

Multistep Redox Systems, LXV. Tethered 1,4-Bezoquinones and Their DCNQI Derivatives: Syntheses, Electronic Interactions, Redox Properties, Charge-Transfer Complexes, and Copper Salts

Huenig, Siegfried,Sinzger, Klaus,Kemmer, Martina,Langohr, Uwe,Rieder, Herald,et al.

, p. 1977 - 1988 (2007/10/03)

Bisquinones 16-20, in which the quinoid moieties are tethered by 2-6 methylene units, have been sythesized via the bis(dimethoxybenzenes) 2,6,9,14, and 15.Compounds 16-20 were transformed into the corresponding bis(DCNQIs) 21-25 using standard procedures.

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