93503-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93503-15-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,0 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 93503-15:
(7*9)+(6*3)+(5*5)+(4*0)+(3*3)+(2*1)+(1*5)=122
122 % 10 = 2
So 93503-15-2 is a valid CAS Registry Number.