81654-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81654-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81654-21:
(7*8)+(6*1)+(5*6)+(4*5)+(3*4)+(2*2)+(1*1)=129
129 % 10 = 9
So 81654-21-9 is a valid CAS Registry Number.
81654-21-9Relevant articles and documents
Herbicidal substituted imidazoles
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, (2008/06/13)
This invention relates to novel substituted imidazoles of the formula: STR1 wherein R1 is a trifluoromethyl group, a halogen atom, an unsubstituted aryl group, a substituted aryl group, a heteroaromatic group, or a substituted heteroaromatic gr