138867-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138867-07-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,6 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138867-07:
(8*1)+(7*3)+(6*8)+(5*8)+(4*6)+(3*7)+(2*0)+(1*7)=169
169 % 10 = 9
So 138867-07-9 is a valid CAS Registry Number.
138867-07-9Relevant academic research and scientific papers
Synthesis of polyfluorinated 5-hydroxypyrazolidin-3-ones
Portella,Iznaden
, p. 1013 - 1014 (2007/10/02)
4-Fluoro-5-hydroxy-5-perfluoroalkylpyrazolidin-3-ones 3 were synthesized in a convenient two-step procedure from alkyl α-hydroperfluoroalkanoates 1.
