52-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52-61-9 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 52-61:
(4*5)+(3*2)+(2*6)+(1*1)=39
39 % 10 = 9
So 52-61-9 is a valid CAS Registry Number.
InChI:InChI=1/C14H20NO2/c1-12(16)17-14-8-9-15(2,11-14)10-13-6-4-3-5-7-13/h3-7,14H,8-11H2,1-2H3/q+1