4122-65-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4122-65-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,2 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4122-65:
(6*4)+(5*1)+(4*2)+(3*2)+(2*6)+(1*5)=60
60 % 10 = 0
So 4122-65-0 is a valid CAS Registry Number.