98958-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98958-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,5 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98958-40:
(7*9)+(6*8)+(5*9)+(4*5)+(3*8)+(2*4)+(1*0)=208
208 % 10 = 8
So 98958-40-8 is a valid CAS Registry Number.