903245-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903245-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,2,4 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 903245-11:
(8*9)+(7*0)+(6*3)+(5*2)+(4*4)+(3*5)+(2*1)+(1*1)=134
134 % 10 = 4
So 903245-11-4 is a valid CAS Registry Number.