83093-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83093-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,9 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83093-34:
(7*8)+(6*3)+(5*0)+(4*9)+(3*3)+(2*3)+(1*4)=129
129 % 10 = 9
So 83093-34-9 is a valid CAS Registry Number.