903149-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903149-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,1,4 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 903149-54:
(8*9)+(7*0)+(6*3)+(5*1)+(4*4)+(3*9)+(2*5)+(1*4)=152
152 % 10 = 2
So 903149-54-2 is a valid CAS Registry Number.