93809-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93809-11-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,0 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93809-11:
(7*9)+(6*3)+(5*8)+(4*0)+(3*9)+(2*1)+(1*1)=151
151 % 10 = 1
So 93809-11-1 is a valid CAS Registry Number.