91384-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91384-90-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,8 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91384-90:
(7*9)+(6*1)+(5*3)+(4*8)+(3*4)+(2*9)+(1*0)=146
146 % 10 = 6
So 91384-90-6 is a valid CAS Registry Number.