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50735-58-5

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50735-58-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50735-58-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,7,3 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 50735-58:
(7*5)+(6*0)+(5*7)+(4*3)+(3*5)+(2*5)+(1*8)=115
115 % 10 = 5
So 50735-58-5 is a valid CAS Registry Number.

50735-58-5Relevant articles and documents

Stereoselective Synthesis of cis-2,5-Disubstituted Pyrrolidines via Copper-Catalyzed Cyclization of Alkenes

Cai, Sai-Hu,Da, Bing-Chao,Zhou, Jia-Hui,Xu, Yun-He,Loh, Teck-Peng

supporting information, p. 1076 - 1080 (2016/11/25)

An efficient methodology for the stereoselective synthesis of cis-2,5-disubstituted pyrrolidines using copper catalyst was developed. The corresponding cis-2,5-disubstituted pyrrolidines could be obtained in reasonable yields and with good stereoselectivities in the presence of 4,4′-di-tert-butyl-2,2′-bipyridine as ligand and 1-methyl-2-pyrrolidinone as solvent.

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