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890139-67-0

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890139-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890139-67-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,1,3 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 890139-67:
(8*8)+(7*9)+(6*0)+(5*1)+(4*3)+(3*9)+(2*6)+(1*7)=190
190 % 10 = 0
So 890139-67-0 is a valid CAS Registry Number.

890139-67-0Downstream Products

890139-67-0Relevant articles and documents

Macrocycloadditions leading to conformationally restricted small molecules

Looper, Ryan E.,Pizzirani, Daniela,Schreiber, Stuart L.

, p. 2063 - 2066 (2007/10/03)

The Cu(I)-catalyzed cycloaddition of alkynes and azides (click reaction) provides a robust method for the construction of macrocyclic small molecules via an intramolecular macrocycloaddition. A three-subunit system has been used to explore the tolerance o

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