98988-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98988-42-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,8 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98988-42:
(7*9)+(6*8)+(5*9)+(4*8)+(3*8)+(2*4)+(1*2)=222
222 % 10 = 2
So 98988-42-2 is a valid CAS Registry Number.