56253-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56253-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,2,5 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 56253-61:
(7*5)+(6*6)+(5*2)+(4*5)+(3*3)+(2*6)+(1*1)=123
123 % 10 = 3
So 56253-61-3 is a valid CAS Registry Number.