4041-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4041-27-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,4 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4041-27:
(6*4)+(5*0)+(4*4)+(3*1)+(2*2)+(1*7)=54
54 % 10 = 4
So 4041-27-4 is a valid CAS Registry Number.