690986-95-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690986-95-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,9,8 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 690986-95:
(8*6)+(7*9)+(6*0)+(5*9)+(4*8)+(3*6)+(2*9)+(1*5)=229
229 % 10 = 9
So 690986-95-9 is a valid CAS Registry Number.