1305339-30-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1305339-30-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,5,3,3 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1305339-30:
(9*1)+(8*3)+(7*0)+(6*5)+(5*3)+(4*3)+(3*9)+(2*3)+(1*0)=123
123 % 10 = 3
So 1305339-30-3 is a valid CAS Registry Number.