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(2S,4S)-4-Diphenylphosphanyl-2-[(diphenylphosphanyl)-methyl]-pyrrolidine-1-carboxylic acid cyclohexylamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74571-34-9

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74571-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74571-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,7 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74571-34:
(7*7)+(6*4)+(5*5)+(4*7)+(3*1)+(2*3)+(1*4)=139
139 % 10 = 9
So 74571-34-9 is a valid CAS Registry Number.

74571-34-9Downstream Products

74571-34-9Relevant articles and documents

N-carbamoyl-4-diphenylphosphino-2-diphenylphosphinomethylpyrrolidines(CAPP). Efficient new chiral ligands for asymmetric hydrogenation

Ojima, Iwao,Yoda, Noriko

, p. 1051 - 1054 (2007/10/02)

A series of N-(N′-substituted carbamoyl)-4-diphenylphosphino-2-diphenylphosphinomethylpyrrolidines (CAPP) was prepared, which exhibited excellent stereoselectivity in the asymmetric hydrogenation of α-acetamidocinnamic acid derivatives and itaconic acid as chiral ligand of the rhodium(I) catalyst.

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