64022-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64022-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,0,2 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64022-67:
(7*6)+(6*4)+(5*0)+(4*2)+(3*2)+(2*6)+(1*7)=99
99 % 10 = 9
So 64022-67-9 is a valid CAS Registry Number.