206057-67-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206057-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,0,5 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 206057-67:
(8*2)+(7*0)+(6*6)+(5*0)+(4*5)+(3*7)+(2*6)+(1*7)=112
112 % 10 = 2
So 206057-67-2 is a valid CAS Registry Number.
206057-67-2Relevant academic research and scientific papers
El Kaim, Laurent,Pinot-Perigord, Emmanuel
, p. 3799 - 3806 (1998)
Addition of trifluoroacetic anhydride to isocyanides proceeds smoothly to give after treatment trifluoropyruvamide derivatives in high yield.