6986-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6986-58-9 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 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6986-58:
(6*6)+(5*9)+(4*8)+(3*6)+(2*5)+(1*8)=149
149 % 10 = 9
So 6986-58-9 is a valid CAS Registry Number.