91285-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91285-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,8 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91285-45:
(7*9)+(6*1)+(5*2)+(4*8)+(3*5)+(2*4)+(1*5)=139
139 % 10 = 9
So 91285-45-9 is a valid CAS Registry Number.