98239-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98239-58-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,3 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98239-58:
(7*9)+(6*8)+(5*2)+(4*3)+(3*9)+(2*5)+(1*8)=178
178 % 10 = 8
So 98239-58-8 is a valid CAS Registry Number.