815575-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 815575-77-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,5,5,7 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 815575-77:
(8*8)+(7*1)+(6*5)+(5*5)+(4*7)+(3*5)+(2*7)+(1*7)=190
190 % 10 = 0
So 815575-77-0 is a valid CAS Registry Number.