68583-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68583-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,8 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68583-69:
(7*6)+(6*8)+(5*5)+(4*8)+(3*3)+(2*6)+(1*9)=177
177 % 10 = 7
So 68583-69-7 is a valid CAS Registry Number.