67303-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67303-29-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,0 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67303-29:
(7*6)+(6*7)+(5*3)+(4*0)+(3*3)+(2*2)+(1*9)=121
121 % 10 = 1
So 67303-29-1 is a valid CAS Registry Number.