19503-07-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19503-07-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,0 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19503-07:
(7*1)+(6*9)+(5*5)+(4*0)+(3*3)+(2*0)+(1*7)=102
102 % 10 = 2
So 19503-07-2 is a valid CAS Registry Number.