838903-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 838903-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,8,9,0 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 838903-48:
(8*8)+(7*3)+(6*8)+(5*9)+(4*0)+(3*3)+(2*4)+(1*8)=203
203 % 10 = 3
So 838903-48-3 is a valid CAS Registry Number.