19158-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19158-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,5 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19158-44:
(7*1)+(6*9)+(5*1)+(4*5)+(3*8)+(2*4)+(1*4)=122
122 % 10 = 2
So 19158-44-2 is a valid CAS Registry Number.