499121-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 499121-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,1,2 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 499121-72:
(8*4)+(7*9)+(6*9)+(5*1)+(4*2)+(3*1)+(2*7)+(1*2)=181
181 % 10 = 1
So 499121-72-1 is a valid CAS Registry Number.