1823331-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1823331-38-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,3,3,3 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1823331-38:
(9*1)+(8*8)+(7*2)+(6*3)+(5*3)+(4*3)+(3*1)+(2*3)+(1*8)=149
149 % 10 = 9
So 1823331-38-9 is a valid CAS Registry Number.