85155-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85155-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,1,5 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85155-91:
(7*8)+(6*5)+(5*1)+(4*5)+(3*5)+(2*9)+(1*1)=145
145 % 10 = 5
So 85155-91-5 is a valid CAS Registry Number.