93993-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93993-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,9 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 93993-34:
(7*9)+(6*3)+(5*9)+(4*9)+(3*3)+(2*3)+(1*4)=181
181 % 10 = 1
So 93993-34-1 is a valid CAS Registry Number.