53688-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53688-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,8 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 53688-54:
(7*5)+(6*3)+(5*6)+(4*8)+(3*8)+(2*5)+(1*4)=153
153 % 10 = 3
So 53688-54-3 is a valid CAS Registry Number.