20218-02-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20218-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,1 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20218-02:
(7*2)+(6*0)+(5*2)+(4*1)+(3*8)+(2*0)+(1*2)=54
54 % 10 = 4
So 20218-02-4 is a valid CAS Registry Number.
20218-02-4Relevant academic research and scientific papers
Rosan, A. M.
, p. 377 - 378 (1985)
The chalcogen polycations S8(AsF6)2, S19(HS2O7)2, and Se4(HS2O7)2 are powerful oxidants entering into electron transfer reactions with hydrocarbons, aromatic compounds, and halides.