77901-51-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77901-51-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,0 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77901-51:
(7*7)+(6*7)+(5*9)+(4*0)+(3*1)+(2*5)+(1*1)=150
150 % 10 = 0
So 77901-51-0 is a valid CAS Registry Number.