67722-36-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67722-36-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,2 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 67722-36:
(7*6)+(6*7)+(5*7)+(4*2)+(3*2)+(2*3)+(1*6)=145
145 % 10 = 5
So 67722-36-5 is a valid CAS Registry Number.