3005-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3005-90-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,0 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3005-90:
(6*3)+(5*0)+(4*0)+(3*5)+(2*9)+(1*0)=51
51 % 10 = 1
So 3005-90-1 is a valid CAS Registry Number.