89943-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89943-29-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,4 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89943-29:
(7*8)+(6*9)+(5*9)+(4*4)+(3*3)+(2*2)+(1*9)=193
193 % 10 = 3
So 89943-29-3 is a valid CAS Registry Number.