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1239950-41-4

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1239950-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239950-41-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,9,5 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1239950-41:
(9*1)+(8*2)+(7*3)+(6*9)+(5*9)+(4*5)+(3*0)+(2*4)+(1*1)=174
174 % 10 = 4
So 1239950-41-4 is a valid CAS Registry Number.

1239950-41-4Relevant articles and documents

Palladium-catalyzed oxidative arylacetoxylation of alkenes: Synthesis of indole and indoline derivatives

Karnakanti, Shuklachary,Zang, Zhong-Lin,Zhao, Sheng,Shao, Pan-Lin,Hu, Ping,He, Yun

, p. 11205 - 11208 (2017/10/17)

A method for the oxidative arylacetoxylation of alkenes has been developed to synthesize indole and indoline derivatives from readily accessible substrates. The cinnamyl tethered anilines with picolinamide as a directing group provided 3-substituted indoles via intramolecular oxidative arylacetoxylation, and the 2-methyl substituted cinnamyl anilines furnished indoline derivatives with 3-position quaternary stereocenters in good to excellent yields via sequential intramolecular oxidative arylacetoxylation, hydrolysis and oxidation steps.

Automated generation and reactions of 3-hydroxymethylindoles in continuous-flow microreactors

Tricotet, Thomas,O'Shea, Donal F.

experimental part, p. 6678 - 6686 (2010/08/20)

An automated sequential approach for the generation and reactions of 3-hydroxymethylindoles in continuous-flow microreactors is described. Consecutive halogen-magnesium exchanges of four 3-iodoindoles followed by addition to three aldehydes provided twelv

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