1449692-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1449692-20-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,6,9 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1449692-20:
(9*1)+(8*4)+(7*4)+(6*9)+(5*6)+(4*9)+(3*2)+(2*2)+(1*0)=199
199 % 10 = 9
So 1449692-20-9 is a valid CAS Registry Number.