98143-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98143-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,4 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98143-30:
(7*9)+(6*8)+(5*1)+(4*4)+(3*3)+(2*3)+(1*0)=147
147 % 10 = 7
So 98143-30-7 is a valid CAS Registry Number.