91348-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91348-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91348-81:
(7*9)+(6*1)+(5*3)+(4*4)+(3*8)+(2*8)+(1*1)=141
141 % 10 = 1
So 91348-81-1 is a valid CAS Registry Number.