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Cyclopentanone, 2-acetyl-2-(2-propenyl)-, (S)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

111239-33-9

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111239-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111239-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,2,3 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 111239-33:
(8*1)+(7*1)+(6*1)+(5*2)+(4*3)+(3*9)+(2*3)+(1*3)=79
79 % 10 = 9
So 111239-33-9 is a valid CAS Registry Number.

111239-33-9Downstream Products

111239-33-9Relevant academic research and scientific papers

Chiral phosphine ligands modified by crown ethers: An application to palladium-catalyzed asymmetric allylation of β-diketones

Sawamura, Masaya,Nagata, Hiroshi,Sakamoto, Hiroaki,Ito, Yoshihiko

, p. 2586 - 2592 (2007/10/02)

Chiral ferrocenylphosphine ligands modified by monoaza or diaza crown ethers of varying ring sizes and linker chain lengths (8a-e, 9) were synthesized. The reaction of the phosphine ligand modified by monoaza-18-crown-6 (8b) and the di-μ-chlorobis(T-allyl

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