52772-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52772-55-1 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 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52772-55:
(7*5)+(6*2)+(5*7)+(4*7)+(3*2)+(2*5)+(1*5)=131
131 % 10 = 1
So 52772-55-1 is a valid CAS Registry Number.