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944247-89-6

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944247-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 944247-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,4,2,4 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 944247-89:
(8*9)+(7*4)+(6*4)+(5*2)+(4*4)+(3*7)+(2*8)+(1*9)=196
196 % 10 = 6
So 944247-89-6 is a valid CAS Registry Number.

944247-89-6Downstream Products

944247-89-6Relevant articles and documents

Templated synthesis of desymmetrized [2]catenanes with excellent translational selectivity

Liu, Yi,Klivansky, Liana M.,Khan, Saeed I.,Zhang, Xiyun

, p. 2577 - 2580 (2007)

Desymmetrized [2]catenanes ware synthesized and shown to exhibit excellent translational selectivity. The templated synthesis takes effect from the formation of pseudorotaxanes between π-rich crown ethers and a π-deficient pyromellitic (Pml) unit, followed by macrocyclization around the crown ethers with the creation of a bipyridinium (BPy) unit. The crown ethers preferably encircle the BPy unit In the resulting [2]catenanes in both solution and the solid state, as indicated by various spectroscopic analyses.

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