124397-92-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124397-92-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,3,9 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 124397-92:
(8*1)+(7*2)+(6*4)+(5*3)+(4*9)+(3*7)+(2*9)+(1*2)=138
138 % 10 = 8
So 124397-92-8 is a valid CAS Registry Number.
124397-92-8Relevant articles and documents
Methyl Fluorosulphonyldifluoroacetate; a New Trifluoromethylating Agent
Chen, Qing-Yun,Wu, Sheng-Wen
, p. 705 - 706 (1989)
Methyl fluorosulphonyldifluoroacetate, in the presence of copper(I) iodide, is used as the source of trifluoromethyl group which replaces the halogen in aryl, alkenyl, and alkyl halides.