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643026-78-2

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643026-78-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 643026-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,0,2 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 643026-78:
(8*6)+(7*4)+(6*3)+(5*0)+(4*2)+(3*6)+(2*7)+(1*8)=142
142 % 10 = 2
So 643026-78-2 is a valid CAS Registry Number.

643026-78-2Relevant articles and documents

Unexpected resistance to base-catalyzed hydrolysis of nitrogen pyramidal amides based on the 7-azabicyclic[2.2.1]heptane scaffold

De Velasco, Diego Antonio Ocampo Gutiérrez,Su, Aoze,Zhai, Luhan,Kinoshita, Satowa,Otani, Yuko,Ohwada, Tomohiko

, (2018/09/26)

Non-planar amides are usually transitional structures, that are involved in amide bond rotation and inversion of the nitrogen atom, but some ground-minimum non-planar amides have been reported. Non-planar amides are generally sensitive to water or other n

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