886220-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 886220-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,6,2,2 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 886220-87:
(8*8)+(7*8)+(6*6)+(5*2)+(4*2)+(3*0)+(2*8)+(1*7)=197
197 % 10 = 7
So 886220-87-7 is a valid CAS Registry Number.