903484-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903484-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,4,8 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 903484-74:
(8*9)+(7*0)+(6*3)+(5*4)+(4*8)+(3*4)+(2*7)+(1*4)=172
172 % 10 = 2
So 903484-74-2 is a valid CAS Registry Number.