98833-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98833-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,8,3 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98833-71:
(7*9)+(6*8)+(5*8)+(4*3)+(3*3)+(2*7)+(1*1)=187
187 % 10 = 7
So 98833-71-7 is a valid CAS Registry Number.