52177-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52177-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,7 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52177-57:
(7*5)+(6*2)+(5*1)+(4*7)+(3*7)+(2*5)+(1*7)=118
118 % 10 = 8
So 52177-57-8 is a valid CAS Registry Number.