69838-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69838-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,3 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 69838-93:
(7*6)+(6*9)+(5*8)+(4*3)+(3*8)+(2*9)+(1*3)=193
193 % 10 = 3
So 69838-93-3 is a valid CAS Registry Number.