6451-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6451-58-7 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, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6451-58:
(6*6)+(5*4)+(4*5)+(3*1)+(2*5)+(1*8)=97
97 % 10 = 7
So 6451-58-7 is a valid CAS Registry Number.