1132-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1132-91-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,3 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1132-91:
(6*1)+(5*1)+(4*3)+(3*2)+(2*9)+(1*1)=48
48 % 10 = 8
So 1132-91-8 is a valid CAS Registry Number.