658705-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 658705-04-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,8,7,0 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 658705-04:
(8*6)+(7*5)+(6*8)+(5*7)+(4*0)+(3*5)+(2*0)+(1*4)=185
185 % 10 = 5
So 658705-04-5 is a valid CAS Registry Number.