525577-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 525577-17-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,5,5,7 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 525577-17:
(8*5)+(7*2)+(6*5)+(5*5)+(4*7)+(3*7)+(2*1)+(1*7)=167
167 % 10 = 7
So 525577-17-7 is a valid CAS Registry Number.