303755-60-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303755-60-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,7,5 and 5 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 303755-60:
(8*3)+(7*0)+(6*3)+(5*7)+(4*5)+(3*5)+(2*6)+(1*0)=124
124 % 10 = 4
So 303755-60-4 is a valid CAS Registry Number.