1298-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1298-83-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,9 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1298-83:
(6*1)+(5*2)+(4*9)+(3*8)+(2*8)+(1*3)=95
95 % 10 = 5
So 1298-83-5 is a valid CAS Registry Number.