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640845-06-3

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640845-06-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 640845-06-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,8,4 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 640845-06:
(8*6)+(7*4)+(6*0)+(5*8)+(4*4)+(3*5)+(2*0)+(1*6)=153
153 % 10 = 3
So 640845-06-3 is a valid CAS Registry Number.

640845-06-3Downstream Products

640845-06-3Relevant academic research and scientific papers

Synthesis and Self-Assembly of Supramolecular Dendritic "Bow-Ties": Effect of Peripheral Functionality on Association Constants

Gillies, Elizabeth R.,Frechet, Jean M. J.

, p. 46 - 53 (2007/10/03)

Self-assembled polyester dendritic bow-ties with various peripheral groups were prepared, and their association constants were measured by 1H NMR in CDCl3. The two complementary dendrons were prepared by attachment of either a bis(ad

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