193093-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193093-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,0,9 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 193093-81:
(8*1)+(7*9)+(6*3)+(5*0)+(4*9)+(3*3)+(2*8)+(1*1)=151
151 % 10 = 1
So 193093-81-1 is a valid CAS Registry Number.