53138-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53138-32-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,3 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 53138-32:
(7*5)+(6*3)+(5*1)+(4*3)+(3*8)+(2*3)+(1*2)=102
102 % 10 = 2
So 53138-32-2 is a valid CAS Registry Number.