87303-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87303-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,0 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87303-93:
(7*8)+(6*7)+(5*3)+(4*0)+(3*3)+(2*9)+(1*3)=143
143 % 10 = 3
So 87303-93-3 is a valid CAS Registry Number.