20364-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20364-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,6 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20364-67:
(7*2)+(6*0)+(5*3)+(4*6)+(3*4)+(2*6)+(1*7)=84
84 % 10 = 4
So 20364-67-4 is a valid CAS Registry Number.