19692-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19692-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,9 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19692-52:
(7*1)+(6*9)+(5*6)+(4*9)+(3*2)+(2*5)+(1*2)=145
145 % 10 = 5
So 19692-52-5 is a valid CAS Registry Number.