67220-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67220-36-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,2 and 0 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 67220-36:
(7*6)+(6*7)+(5*2)+(4*2)+(3*0)+(2*3)+(1*6)=114
114 % 10 = 4
So 67220-36-4 is a valid CAS Registry Number.