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338989-68-7

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338989-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 338989-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,9,8 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 338989-68:
(8*3)+(7*3)+(6*8)+(5*9)+(4*8)+(3*9)+(2*6)+(1*8)=217
217 % 10 = 7
So 338989-68-7 is a valid CAS Registry Number.

338989-68-7Relevant articles and documents

Synthesis of a D3-symmetric "trefoil" knotted cyclophane

Arias, Karla I.,Zysman-Colman, Eli,Loren, Jon C.,Linden, Anthony,Siegel, Jay S.

supporting information; experimental part, p. 9588 - 9590 (2011/10/12)

A D3-symmetric knotted cyclophane, with a subgraph of trefoil topology, was synthesized by cyclization of a D3-symmetric scaffold. Control of configuration at the three metal-based stereocenters arises from a bascule/pivot mechanism. The Royal Society of Chemistry 2011.

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