945891-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 945891-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,5,8,9 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 945891-91:
(8*9)+(7*4)+(6*5)+(5*8)+(4*9)+(3*1)+(2*9)+(1*1)=228
228 % 10 = 8
So 945891-91-8 is a valid CAS Registry Number.