53172-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53172-11-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,7 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53172-11:
(7*5)+(6*3)+(5*1)+(4*7)+(3*2)+(2*1)+(1*1)=95
95 % 10 = 5
So 53172-11-5 is a valid CAS Registry Number.