67030-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67030-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,3 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67030-45:
(7*6)+(6*7)+(5*0)+(4*3)+(3*0)+(2*4)+(1*5)=109
109 % 10 = 9
So 67030-45-9 is a valid CAS Registry Number.