77536-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77536-25-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,3 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77536-25:
(7*7)+(6*7)+(5*5)+(4*3)+(3*6)+(2*2)+(1*5)=155
155 % 10 = 5
So 77536-25-5 is a valid CAS Registry Number.