873963-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873963-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,6 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 873963-42:
(8*8)+(7*7)+(6*3)+(5*9)+(4*6)+(3*3)+(2*4)+(1*2)=219
219 % 10 = 9
So 873963-42-9 is a valid CAS Registry Number.