63609-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63609-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,6,0 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 63609-86:
(7*6)+(6*3)+(5*6)+(4*0)+(3*9)+(2*8)+(1*6)=139
139 % 10 = 9
So 63609-86-9 is a valid CAS Registry Number.