103390-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103390-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,3,9 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103390-98:
(8*1)+(7*0)+(6*3)+(5*3)+(4*9)+(3*0)+(2*9)+(1*8)=103
103 % 10 = 3
So 103390-98-3 is a valid CAS Registry Number.