1449784-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1449784-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,7,8 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1449784-99:
(9*1)+(8*4)+(7*4)+(6*9)+(5*7)+(4*8)+(3*4)+(2*9)+(1*9)=229
229 % 10 = 9
So 1449784-99-9 is a valid CAS Registry Number.