19500-44-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19500-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,0 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19500-44:
(7*1)+(6*9)+(5*5)+(4*0)+(3*0)+(2*4)+(1*4)=98
98 % 10 = 8
So 19500-44-8 is a valid CAS Registry Number.