21818-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21818-75-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,1 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21818-75:
(7*2)+(6*1)+(5*8)+(4*1)+(3*8)+(2*7)+(1*5)=107
107 % 10 = 7
So 21818-75-7 is a valid CAS Registry Number.
21818-75-7Relevant articles and documents
Substituted oxadiazolidine-3,5-diones
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, (2008/06/13)
This invention is concerned with a method for destroying undesirable plant life which comprises applying to said plant life a herbicidally toxic amount of a herbicide containing a chemical compound of the formula STR1 wherein R is selected from the group