91063-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91063-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,6 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91063-81:
(7*9)+(6*1)+(5*0)+(4*6)+(3*3)+(2*8)+(1*1)=119
119 % 10 = 9
So 91063-81-9 is a valid CAS Registry Number.