89217-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89217-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,1 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89217-83:
(7*8)+(6*9)+(5*2)+(4*1)+(3*7)+(2*8)+(1*3)=164
164 % 10 = 4
So 89217-83-4 is a valid CAS Registry Number.
89217-83-4Relevant articles and documents
DIE ERSTEN CF3-SUBSTITUIERTEN ORGANYL(CHLOR)SILANE
Ruppert, Ingo,Schlich, Klaus,Volbach, Wolfgang
, p. 2195 - 2198 (2007/10/02)
The three component reaction (Et2N)3P/CF3Br/R(n)SiCl(4-n) ( n= 1, 2, 3; R=CH3, Ph) gives CF3-substituted organyl (chloro)silanes for the first time.Their genesis will be elucidated.