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Phenol, 2,2'-(2,5-pyrazinediyl)bis-, also known as 2,2'-(2,5-Pyrazinediyl)bisphenol or 2,2'-Biphenol, is an organic compound with the chemical formula C12H10N2O2. It is a white crystalline solid that is soluble in water and various organic solvents. Phenol, 2,2'-(2,5-pyrazinediyl)bis- is characterized by its two phenol groups connected by a 2,5-pyrazine diyl bridge, which gives it unique chemical properties. It is used as a building block in the synthesis of various polymers, such as polycarbonates and polyurethanes, and is also employed as a stabilizer in the production of PVC. Due to its reactivity and versatility, it plays a significant role in the chemical industry for the development of new materials and products.

5725-80-4

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5725-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5725-80-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,2 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5725-80:
(6*5)+(5*7)+(4*2)+(3*5)+(2*8)+(1*0)=104
104 % 10 = 4
So 5725-80-4 is a valid CAS Registry Number.

5725-80-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 6-[5-(2-hydroxyphenyl)-1H-pyrazin-2-ylidene]cyclohexa-2,4-dien-1-one

1.2 Other means of identification

Product number -
Other names 2,2'-pyrazine-2,5-diyl-bis-phenol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5725-80-4 SDS

5725-80-4Downstream Products

5725-80-4Relevant academic research and scientific papers

Streamlined Routes to Phenacyl Azides and 2,5-Diarylpyrazines Enabled by Deep Eutectic Solvents

Vitale, Paola,Cicco, Luciana,Messa, Francesco,Perna, Filippo Maria,Salomone, Antonio,Capriati, Vito

, p. 5557 - 5562 (2019/08/21)

A Deep Eutectic Solvent like choline chloride/glycerol (1:2 mol mol–1) proved to be an effective, sustainable reaction medium to easily synthesize both phenacyl azides and symmetrical 2,5-diarylpyrazines of interest in pharmacology and in coordination chemistry. Notable features of our report include: (i) nucleophilic substitution reactions of α-halo carbonyl compounds to the corresponding phenacyl azides compatible with the eutectic mixture, (ii) the reduction of phenacyl azides to α-amino carbonyl compounds, which undergo spontaneous dimerisation/cyclisation/aromatisation in the same eutectic mixture to provide valuable pyrazines. Telescoped, one-pot, two-steps stoichiometric/catalytic processes have also been successfully developed to furnish 2,5-diarylpyrazines in up to 95 % yield.

Electronic properties of Ru(II) complexes bound to a bisphenolate bridge with low lying π* orbitals

Brady, Ian,Leane, Deirdre,Hughes, Helen P.,Forster, Robert J.,Keyes, Tia E.

, p. 334 - 341 (2007/10/03)

The synthesis and a detailed investigation into the electronic properties of mononuclear and dinuclear Ru(II) complexes of the ligand bis(2-hydroxyphenyl)-2,5-dihydropyrazine (H2BHD) is described. In these complexes the Ru(II) moieties are boun

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