77257-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77257-16-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77257-16:
(7*7)+(6*7)+(5*2)+(4*5)+(3*7)+(2*1)+(1*6)=150
150 % 10 = 0
So 77257-16-0 is a valid CAS Registry Number.