67331-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67331-07-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,3 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67331-07:
(7*6)+(6*7)+(5*3)+(4*3)+(3*1)+(2*0)+(1*7)=121
121 % 10 = 1
So 67331-07-1 is a valid CAS Registry Number.