22102-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22102-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,0 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22102-05:
(7*2)+(6*2)+(5*1)+(4*0)+(3*2)+(2*0)+(1*5)=42
42 % 10 = 2
So 22102-05-2 is a valid CAS Registry Number.
22102-05-2Relevant articles and documents
2-Pyridones and Pyranopyrazol-6(1H)-one bearing a Trifluoromethyl Group
Kikukawa, Hirofumi,Nishiwaki, Tarozaemon
, p. 476 - 477 (2007/10/03)
A moderate yield synthesis of 4-trifluoromethyl-2-pyridones and a low yield formation of a 4-trifluoromethylpyranopyrazol-6(1H)-one from 3-oxo-4,4,4-trifluorobutanenitriles are reported.