874493-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874493-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,4,9 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 874493-49:
(8*8)+(7*7)+(6*4)+(5*4)+(4*9)+(3*3)+(2*4)+(1*9)=219
219 % 10 = 9
So 874493-49-9 is a valid CAS Registry Number.