83609-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83609-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,0 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83609-82:
(7*8)+(6*3)+(5*6)+(4*0)+(3*9)+(2*8)+(1*2)=149
149 % 10 = 9
So 83609-82-9 is a valid CAS Registry Number.