6980-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6980-50-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,8 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6980-50:
(6*6)+(5*9)+(4*8)+(3*0)+(2*5)+(1*0)=123
123 % 10 = 3
So 6980-50-3 is a valid CAS Registry Number.