307339-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 307339-42-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,3,3 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 307339-42:
(8*3)+(7*0)+(6*7)+(5*3)+(4*3)+(3*9)+(2*4)+(1*2)=130
130 % 10 = 0
So 307339-42-0 is a valid CAS Registry Number.