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555153-75-8

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555153-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 555153-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,5,1,5 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 555153-75:
(8*5)+(7*5)+(6*5)+(5*1)+(4*5)+(3*3)+(2*7)+(1*5)=158
158 % 10 = 8
So 555153-75-8 is a valid CAS Registry Number.

555153-75-8Downstream Products

555153-75-8Relevant articles and documents

Catalytic asymmetric synthesis of quaternary carbons bearing two aryl substituents. Enantioselective synthesis of 3-alkyl-3-aryl oxindoles by catalytic asymmetric intramolecular Heck reactions

Dounay, Amy B.,Hatanaka, Keiko,Kodanko, Jeremy J.,Oestreich, Martin,Overman, Larry E.,Pfeifer, Lance A.,Weiss, Matthew M.

, p. 6261 - 6271 (2007/10/03)

A practical sequence involving three consecutive palladium (0)-catalyzed reactions has been developed for synthesizing 3-alkyl-3-aryloxindoles in high enantiopurity. The Heck cyclization precursors 10 and 11a-k are generated in one step by chemoselective

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