6590-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6590-98-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,9 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6590-98:
(6*6)+(5*5)+(4*9)+(3*0)+(2*9)+(1*8)=123
123 % 10 = 3
So 6590-98-3 is a valid CAS Registry Number.