16253-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16253-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,5 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16253-49:
(7*1)+(6*6)+(5*2)+(4*5)+(3*3)+(2*4)+(1*9)=99
99 % 10 = 9
So 16253-49-9 is a valid CAS Registry Number.