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1196981-41-5

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1196981-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1196981-41-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,6,9,8 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1196981-41:
(9*1)+(8*1)+(7*9)+(6*6)+(5*9)+(4*8)+(3*1)+(2*4)+(1*1)=205
205 % 10 = 5
So 1196981-41-5 is a valid CAS Registry Number.

1196981-41-5Downstream Products

1196981-41-5Relevant articles and documents

A versatile catalyst for intermolecular direct arylation of Indoles with benzoic acids as arylating reagents

Zhou, Jun,Hu, Peng,Zhang, Min,Huang, Shijun,Wang, Min,Su, Weiping

supporting information; experimental part, p. 5876 - 5881 (2010/09/05)

(Figure Presented) Coupled together: With a versatile catalyst system (Pd(TFA)2/Ag2CO3/propionic acid) both electron-rich and -deficient benzoic acids serve as arylating reagents for the direct functionalization of a wide rage of indoles by a combination of decarboxylation and C-H bond activation. Depending on the nature of the benzoic acids, the reaction occurs selectively at either the C2- or C3-position of indoles, which may arise from two different catalytic pathways (see scheme; TFA = trifluoroacetate).

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