903881-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903881-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,8,8 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 903881-96:
(8*9)+(7*0)+(6*3)+(5*8)+(4*8)+(3*1)+(2*9)+(1*6)=189
189 % 10 = 9
So 903881-96-9 is a valid CAS Registry Number.