860557-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 860557-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,0,5,5 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 860557-65:
(8*8)+(7*6)+(6*0)+(5*5)+(4*5)+(3*7)+(2*6)+(1*5)=189
189 % 10 = 9
So 860557-65-9 is a valid CAS Registry Number.