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4,6-dinitro-2-phenyl-2H-benzotriazole 1-oxide, also known as PBN, is a chemical compound with the molecular formula C13H8N6O5. It is a nitrone-based free radical spin trap, commonly used in scientific research to detect and study free radicals, particularly in the field of biochemistry and medicine. PBN is known for its ability to react with free radicals, forming stable adducts that can be analyzed using techniques such as electron paramagnetic resonance (EPR) spectroscopy. This allows researchers to gain insights into the role of free radicals in various biological processes and diseases. PBN is also used as an antioxidant and a stabilizer in industrial applications, protecting materials from oxidative damage. Its chemical structure features a benzotriazole core with a phenyl group and two nitro groups, and it is an important tool in the study of reactive oxygen species and other radicals.

6631-41-0

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6631-41-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6631-41-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,3 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6631-41:
(6*6)+(5*6)+(4*3)+(3*1)+(2*4)+(1*1)=90
90 % 10 = 0
So 6631-41-0 is a valid CAS Registry Number.

6631-41-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,6-dinitro-1-oxido-2-phenylbenzotriazol-1-ium

1.2 Other means of identification

Product number -
Other names 4,6-dinitro-2-phenyl-2H-benzotriazole-1-oxide

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:6631-41-0 SDS

6631-41-0Downstream Products

6631-41-0Relevant academic research and scientific papers

The versatile reactivity of 2-aryl-4,6-dinitrobenzotriazole 1-oxides in diels-alder type condensations and in σ-complexation - A relationship between superelectrophilicity and pericyclic reactivity

Vichard, Dominique,Boubaker, Taoufik,Terrier, Francois,Pouet, Marie-Jose,Dust, Julian M.,Buncel, Erwin

, p. 1617 - 1623 (2007/10/03)

A two-pronged study of a series of 2-aryl-4,6-dinitrobenzotriazole 1-oxide substrates (2a-c) is reported: Diels-Alder type pericyclic reactivity and covalent hydration to yield Meisenheimer type hydroxy anionic σ-adducts. The most activated benzotriazole

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