444158-01-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444158-01-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,1,5 and 8 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 444158-01:
(8*4)+(7*4)+(6*4)+(5*1)+(4*5)+(3*8)+(2*0)+(1*1)=134
134 % 10 = 4
So 444158-01-4 is a valid CAS Registry Number.