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151259-26-6

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151259-26-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151259-26-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,2,5 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 151259-26:
(8*1)+(7*5)+(6*1)+(5*2)+(4*5)+(3*9)+(2*2)+(1*6)=116
116 % 10 = 6
So 151259-26-6 is a valid CAS Registry Number.

151259-26-6Relevant articles and documents

A Convenient Conversion of Primary Amines into the Corresponding Halides Radical Promoted Halodeamination via N-Substituted-N-Tosylhydrazines

Collazo, Luis R.,Guziec, Frank S.,Hu, Wei-Xiao Jr.,Pankayatselvan, Ratnadevi

, p. 7911 - 7914 (1994)

Treatment of 1-substituted-1-tosylhydrazines with 2 equivalents of NCS or NBS in dry THF in presence of light affords the corresponding alkyl halides in good yields.This reaction presumably involves the initial formation of a stabilized hydrazyl radical which is halogenated in a radical chain process.Elimination of p-toluenesulfinic acid and extrusion of nitrogen leads to the corresponding alkyl halide.This route provides an improved method for halodeamination under neutral reaction conditions.

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