187104-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187104-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,1,0 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 187104-64:
(8*1)+(7*8)+(6*7)+(5*1)+(4*0)+(3*4)+(2*6)+(1*4)=139
139 % 10 = 9
So 187104-64-9 is a valid CAS Registry Number.
187104-64-9Relevant articles and documents
Synthesis of isochromans and their derivatives
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, (2008/06/13)
Isochromans and their derivatives have been chemically synthesized. These compounds possess significant phytotoxic activity which may be used as a biodegradable contact herbicide. The synthetic method allows for economic production of these herbicides.