67038-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67038-71-5 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 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67038-71:
(7*6)+(6*7)+(5*0)+(4*3)+(3*8)+(2*7)+(1*1)=135
135 % 10 = 5
So 67038-71-5 is a valid CAS Registry Number.