91898-33-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91898-33-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,9 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91898-33:
(7*9)+(6*1)+(5*8)+(4*9)+(3*8)+(2*3)+(1*3)=178
178 % 10 = 8
So 91898-33-8 is a valid CAS Registry Number.