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28057-18-3

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28057-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28057-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,5 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28057-18:
(7*2)+(6*8)+(5*0)+(4*5)+(3*7)+(2*1)+(1*8)=113
113 % 10 = 3
So 28057-18-3 is a valid CAS Registry Number.

28057-18-3Downstream Products

28057-18-3Relevant articles and documents

Synthesis and molecular structure of 1-(2-pyridyloxy)silatrane

Voronkov,Zelbst,Bolgova, Yu. I.,Trofimova,Albanov,Chipanina,Aksamentova,Korlyukov,Antipin, M. Yu.

, p. 2333 - 2338 (2008)

1-(2-Pyridyloxy)silatrane was synthesized by trans-etherification of 1-ethoxysilatrane with 2-hydroxypyridine as well as by the reaction of the latter with tetraethoxysilane and triethanolamine. Its structure was established by the XRD analysis of a single crystal, and in solution using the methods of 1H, 13C, 29Si NMR and IR spectroscopy.

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