52449-02-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52449-02-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,4,4 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 52449-02:
(7*5)+(6*2)+(5*4)+(4*4)+(3*9)+(2*0)+(1*2)=112
112 % 10 = 2
So 52449-02-2 is a valid CAS Registry Number.
52449-02-2Relevant articles and documents
Nitration of 2-Aryl-1,1-dichlorocyclopropanes
Lin, Shao-Tao,Yang, Fu-May
, p. 1554 - 1564 (2007/10/03)
A series of 2-aryl-1,1-dichlorocyclopropanes were nitrated with a mixture of nitric acid and sulfuric acid.The results suggest that an electron-withdrawing group on the phenyl ring and gem-dihalogens on the cyclopropane ring are essential for isoxazole formation.
