5891-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5891-08-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,9 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5891-08:
(6*5)+(5*8)+(4*9)+(3*1)+(2*0)+(1*8)=117
117 % 10 = 7
So 5891-08-7 is a valid CAS Registry Number.