6451-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6451-84-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,5 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6451-84:
(6*6)+(5*4)+(4*5)+(3*1)+(2*8)+(1*4)=99
99 % 10 = 9
So 6451-84-9 is a valid CAS Registry Number.