873390-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873390-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,3,9 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 873390-78:
(8*8)+(7*7)+(6*3)+(5*3)+(4*9)+(3*0)+(2*7)+(1*8)=204
204 % 10 = 4
So 873390-78-4 is a valid CAS Registry Number.