122653-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122653-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,6,5 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 122653-64:
(8*1)+(7*2)+(6*2)+(5*6)+(4*5)+(3*3)+(2*6)+(1*4)=109
109 % 10 = 9
So 122653-64-9 is a valid CAS Registry Number.