401589-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 401589-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,5,8 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 401589-89:
(8*4)+(7*0)+(6*1)+(5*5)+(4*8)+(3*9)+(2*8)+(1*9)=147
147 % 10 = 7
So 401589-89-7 is a valid CAS Registry Number.