18979-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18979-82-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,7 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18979-82:
(7*1)+(6*8)+(5*9)+(4*7)+(3*9)+(2*8)+(1*2)=173
173 % 10 = 3
So 18979-82-3 is a valid CAS Registry Number.