307533-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 307533-51-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,5,3 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 307533-51:
(8*3)+(7*0)+(6*7)+(5*5)+(4*3)+(3*3)+(2*5)+(1*1)=123
123 % 10 = 3
So 307533-51-3 is a valid CAS Registry Number.