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683197-90-2

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683197-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 683197-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,1,9 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 683197-90:
(8*6)+(7*8)+(6*3)+(5*1)+(4*9)+(3*7)+(2*9)+(1*0)=202
202 % 10 = 2
So 683197-90-2 is a valid CAS Registry Number.

683197-90-2Relevant academic research and scientific papers

Synthesis of the first rotaxane containing a paracyclophane ring

Gilliatt,Sultany,Butcher Jr.

, p. 6255 - 6258 (1992)

A rotaxane, formed in ~50% yield via the standard threading procedure, exhibits profound changes in the NMR spectrum which are attributed to magnetic anisotropy caused by aromatic rings in the trityl groups and the [2.18] paracyclophane.

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