877122-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 877122-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,1,2 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 877122-77:
(8*8)+(7*7)+(6*7)+(5*1)+(4*2)+(3*2)+(2*7)+(1*7)=195
195 % 10 = 5
So 877122-77-5 is a valid CAS Registry Number.