91368-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91368-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,6 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91368-83:
(7*9)+(6*1)+(5*3)+(4*6)+(3*8)+(2*8)+(1*3)=151
151 % 10 = 1
So 91368-83-1 is a valid CAS Registry Number.