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189157-45-7

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189157-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189157-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,5 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 189157-45:
(8*1)+(7*8)+(6*9)+(5*1)+(4*5)+(3*7)+(2*4)+(1*5)=177
177 % 10 = 7
So 189157-45-7 is a valid CAS Registry Number.

189157-45-7Relevant articles and documents

Synthesis of linked carbohydrates and evaluation of their binding for 16S RNA by mass spectrometry

Wu, Baogen,Yang, Jun,Robinson, Dale,Hofstadler, Steve,Griffey, Rich,Swayze, Eric E.,He, Yun

, p. 3915 - 3918 (2007/10/03)

A library of linked molecules were synthesized from the common sugar moieties existing in the natural amino glycosides. These linked molecules were screened against bacterial 16S RNA for their binding affinity using a mass spectrometry-based technology. Some of these compounds exhibited low micromolar affinity and could serve as leads for further development as antibacterial agents.

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