1233884-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1233884-89-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,8,8 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1233884-89:
(9*1)+(8*2)+(7*3)+(6*3)+(5*8)+(4*8)+(3*4)+(2*8)+(1*9)=173
173 % 10 = 3
So 1233884-89-3 is a valid CAS Registry Number.