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2-Chloro-4'-nitro-biphenyl is an organic compound with the chemical formula C12H8ClNO2. It is a derivative of biphenyl, a type of aromatic hydrocarbon consisting of two benzene rings connected by a single bond. In 2-chloro-4'-nitro-biphenyl, one of the benzene rings has a chlorine atom attached to the second carbon atom, while the other benzene ring has a nitro group (-NO2) attached to the fourth carbon atom. This chemical is known for its potential use as a precursor in the synthesis of various pharmaceuticals and agrochemicals. Due to its chemical structure, 2-chloro-4'-nitro-biphenyl may exhibit certain toxicological properties, and as such, it is important to handle it with care and in accordance with safety regulations.

951-81-5

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951-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 951-81-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 951-81:
(5*9)+(4*5)+(3*1)+(2*8)+(1*1)=85
85 % 10 = 5
So 951-81-5 is a valid CAS Registry Number.

951-81-5Relevant academic research and scientific papers

Direct Conversion of Arylamines to the Corresponding Halides, Biphenyls, and Sulfides with t-Butyl Thionitrate

Oae, Shigeru,Shinhama, Koichi,Kim, Yong Hae

, p. 2023 - 2026 (1980)

t-Butyl thionitrate have been found to be an excellent diazotizing reagent of arylamines in aprotic nonpolar media, affording eventually such products as aryl chlorides, aryl bromides, aryl iodides, biphenyls, and aryl methyl sulfides in the presence of CCl4, CHBr3, I2, benzene, and dimethyl disulfide, respectively, via extrusion of N2.

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