502149-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502149-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,1,4 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 502149-20:
(8*5)+(7*0)+(6*2)+(5*1)+(4*4)+(3*9)+(2*2)+(1*0)=104
104 % 10 = 4
So 502149-20-4 is a valid CAS Registry Number.
502149-20-4Relevant academic research and scientific papers
3-Aminocarbonyl-substituted benzoylcyclohexanediones
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, (2008/06/13)
There are described derivatives of benzoylcyclohexanediones of the formula (I) and their use as herbicides. In this formula (I), R1a, R1b, R1c, R2, R3, R4 and R5 are various radi