52778-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52778-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,7 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52778-77:
(7*5)+(6*2)+(5*7)+(4*7)+(3*8)+(2*7)+(1*7)=155
155 % 10 = 5
So 52778-77-5 is a valid CAS Registry Number.