55642-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55642-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,4 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55642-42:
(7*5)+(6*5)+(5*6)+(4*4)+(3*2)+(2*4)+(1*2)=127
127 % 10 = 7
So 55642-42-7 is a valid CAS Registry Number.
55642-42-7Relevant articles and documents
Tetrakis(trifluoromethyl)tellur (CF3)4Te
Naumann, Dieter,Wilkes, Bernd
, p. 115 - 118 (2007/10/02)
(CF3)4Te is formed from the reaction of (CF3)2TeCl2 with (CF3)2Cd*glyme in CH3CN at -10 deg C via the intermediate (CF3)3TeCl as a yellow liquid and identified by n.m.r. and mass spectra.