91232-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91232-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,3 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91232-81:
(7*9)+(6*1)+(5*2)+(4*3)+(3*2)+(2*8)+(1*1)=114
114 % 10 = 4
So 91232-81-4 is a valid CAS Registry Number.