18820-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18820-02-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,2 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18820-02:
(7*1)+(6*8)+(5*8)+(4*2)+(3*0)+(2*0)+(1*2)=105
105 % 10 = 5
So 18820-02-5 is a valid CAS Registry Number.