181822-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181822-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,8,2 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 181822-33:
(8*1)+(7*8)+(6*1)+(5*8)+(4*2)+(3*2)+(2*3)+(1*3)=133
133 % 10 = 3
So 181822-33-3 is a valid CAS Registry Number.