6144-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6144-05-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,4 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6144-05:
(6*6)+(5*1)+(4*4)+(3*4)+(2*0)+(1*5)=74
74 % 10 = 4
So 6144-05-4 is a valid CAS Registry Number.