875220-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 875220-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,5,2,2 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 875220-80:
(8*8)+(7*7)+(6*5)+(5*2)+(4*2)+(3*0)+(2*8)+(1*0)=177
177 % 10 = 7
So 875220-80-7 is a valid CAS Registry Number.