19962-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19962-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,6 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19962-71:
(7*1)+(6*9)+(5*9)+(4*6)+(3*2)+(2*7)+(1*1)=151
151 % 10 = 1
So 19962-71-1 is a valid CAS Registry Number.