905293-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 905293-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,2,9 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 905293-99:
(8*9)+(7*0)+(6*5)+(5*2)+(4*9)+(3*3)+(2*9)+(1*9)=184
184 % 10 = 4
So 905293-99-4 is a valid CAS Registry Number.