5009-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5009-28-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,0 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5009-28:
(6*5)+(5*0)+(4*0)+(3*9)+(2*2)+(1*8)=69
69 % 10 = 9
So 5009-28-9 is a valid CAS Registry Number.
5009-28-9Relevant academic research and scientific papers
Organic Compounds
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Page/Page column 12, (2010/12/18)
Described are spiroalkyl- and -alkenylketones and esters thereof, a method for their production and fragrance compositions comprising them.