63920-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63920-62-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,2 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 63920-62:
(7*6)+(6*3)+(5*9)+(4*2)+(3*0)+(2*6)+(1*2)=127
127 % 10 = 7
So 63920-62-7 is a valid CAS Registry Number.
63920-62-7Relevant articles and documents
Trifluoromethylimidazoles and a method for their preparation
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, (2008/06/13)
4(5)-Trifluoromethylimidazoles having optional substituents in the 1 and 2 positions are provided. The novel 4(5)-trifluoromethylimidazoles are prepared by reacting a 1,1-dihalo-3,3,3-trifluoroacetone compound with an appropriate carboxaldehyde and ammoni