53645-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53645-43-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,4 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53645-43:
(7*5)+(6*3)+(5*6)+(4*4)+(3*5)+(2*4)+(1*3)=125
125 % 10 = 5
So 53645-43-5 is a valid CAS Registry Number.