10022-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10022-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,0,2 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 10022-18:
(7*1)+(6*0)+(5*0)+(4*2)+(3*2)+(2*1)+(1*8)=31
31 % 10 = 1
So 10022-18-1 is a valid CAS Registry Number.