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156267-11-7

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156267-11-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156267-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,6 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 156267-11:
(8*1)+(7*5)+(6*6)+(5*2)+(4*6)+(3*7)+(2*1)+(1*1)=137
137 % 10 = 7
So 156267-11-7 is a valid CAS Registry Number.

156267-11-7Relevant articles and documents

Palladium-catalyzed amination of aryl chlorides and bromides with ammonium salts

Green, Rebecca A.,Hartwig, John F.

supporting information, p. 4388 - 4391 (2015/01/08)

We report the palladium-catalyzed coupling of aryl halides with ammonia and gaseous amines as their ammonium salts. The coupling of aryl chlorides and ortho-substituted aryl bromides with ammonium sulfate forms anilines with higher selectivity for the primary arylamine over the diarylamine than couplings with ammonia in dioxane. The resting state for the reactions of aryl chlorides is different from the resting state for the reactions of aryl bromides, and this change in resting states is proposed to account for a difference in selectivities for reactions of the two haloarenes.

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