71489-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71489-67-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,4,8 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71489-67:
(7*7)+(6*1)+(5*4)+(4*8)+(3*9)+(2*6)+(1*7)=153
153 % 10 = 3
So 71489-67-3 is a valid CAS Registry Number.