1330-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1330-98-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,3 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1330-98:
(6*1)+(5*3)+(4*3)+(3*0)+(2*9)+(1*8)=59
59 % 10 = 9
So 1330-98-9 is a valid CAS Registry Number.