5172-36-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5172-36-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,7 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5172-36:
(6*5)+(5*1)+(4*7)+(3*2)+(2*3)+(1*6)=81
81 % 10 = 1
So 5172-36-1 is a valid CAS Registry Number.