56522-18-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56522-18-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,2 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 56522-18:
(7*5)+(6*6)+(5*5)+(4*2)+(3*2)+(2*1)+(1*8)=120
120 % 10 = 0
So 56522-18-0 is a valid CAS Registry Number.