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98421-40-0

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98421-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98421-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,2 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98421-40:
(7*9)+(6*8)+(5*4)+(4*2)+(3*1)+(2*4)+(1*0)=150
150 % 10 = 0
So 98421-40-0 is a valid CAS Registry Number.

98421-40-0Downstream Products

98421-40-0Relevant articles and documents

Enantioselective Synthesis of 2-Substituted Pyrrolidines via Intramolecular Reductive Amination

Chang, Mingxin,Guo, Haodong,Huang, Haizhou,Zhang, Tao,Zhao, Wenlei,Zhou, Huan

, p. 2713 - 2719 (2019)

Catalyzed by the complex generated in situ from iridium and the chiral ferrocene ligand, tert -butyl (4-oxo-4-arylbutyl)carbamate substrates were deprotected and then reductively cyclised to form 2-substituted arylpyrrolidines in a one-pot manner, in which the intramolecular reductive amination was the key step. A range of chiral 2-substituted arylpyrrolidines were synthesised in up to 98percent yield and 92percent ee.

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